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Quiz

Lesson 1 – Arithmetic and Geometric Sequences and Series — Picture questions (exam style)

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  • Questions count: 232
  • Passing grade: 60%
Start Quiz
1.
The table shows some terms of a geometric sequence. Which option is correct?
The table shows some terms of a geometric sequence. Which option is correct?
T8 = 256, Sₙ (n = 6) = 126
T8 = 512, Sₙ (n = 6) = 252
T8 = 256, Sₙ (n = 6) = 252
T8 = 128, Sₙ (n = 6) = 122
2.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = 1300
common difference d = 2, S25 = 700
common difference d = 4, S25 = 750
common difference d = -2, S25 = 750
3.
The table shows some terms of a geometric sequence. Which option is correct?
The table shows some terms of a geometric sequence. Which option is correct?
T8 = 192, Sₙ (n = 6) = 183
T8 = 384, Sₙ (n = 6) = 189
T8 = 384, Sₙ (n = 6) = 192
T8 = 768, Sₙ (n = 6) = 192
4.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 9, S30 = -600
common difference d = -2, S30 = -600
common difference d = -2, S30 = -660
common difference d = 2, S30 = -300
5.
The table shows some terms of an arithmetic sequence. Which option is correct?
The table shows some terms of an arithmetic sequence. Which option is correct?
T12 = 46, S12 = 156
T12 = 23, S12 = 68
T12 = 46, S12 = 68
T12 = 23, S12 = 78
6.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S25 = 1900
common difference d = 3, S25 = 1000
common difference d = -3, S25 = 1900
common difference d = 6, S25 = 1000
7.
The table shows some terms of a geometric sequence. Which option is correct?
The table shows some terms of a geometric sequence. Which option is correct?
T8 = 64, Sₙ (n = 6) = 126
T8 = 64, Sₙ (n = 6) = 64
T8 = 128, Sₙ (n = 6) = 126
T8 = 128, Sₙ (n = 6) = 63
8.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S30 = -2640
common difference d = -6, S30 = -1425
common difference d = -3, S30 = -1335
common difference d = -6, S30 = -668
9.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 820
common difference d = 4, S20 = 900
common difference d = 3, S20 = 820
common difference d = 8, S20 = 820
10.
The table shows some terms of an arithmetic sequence. Which option is correct?
The table shows some terms of an arithmetic sequence. Which option is correct?
T15 = -42, S15 = -312
T15 = -39, S15 = -315
T15 = -45, S15 = -630
T15 = -42, S15 = -315
11.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S20 = -460
common difference d = -2, S20 = -460
common difference d = -4, S20 = -460
common difference d = -4, S20 = -500
12.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = -315
common difference d = -3, S15 = -585
common difference d = -6, S15 = -270
common difference d = -3, S15 = -270
13.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S20 = 470
common difference d = -3, S20 = 205
common difference d = -8, S20 = 205
common difference d = 3, S20 = 410
14.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -5, S30 = 1710
common difference d = -5, S30 = 1590
common difference d = 4, S30 = 1590
common difference d = -4, S30 = 1590
15.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 6, S15 = 555
common difference d = -5, S15 = 120
common difference d = 3, S15 = 240
common difference d = -5, S15 = 240
16.
The table shows some terms of an arithmetic sequence. Which option is correct?
The table shows some terms of an arithmetic sequence. Which option is correct?
T10 = 24, S10 = 142
T10 = 22, S10 = 300
T10 = 24, S10 = 150
T10 = 26, S10 = 300
17.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 10, S20 = -180
common difference d = -2, S20 = -180
common difference d = 10, S20 = -90
common difference d = -2, S20 = -220
18.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S25 = 2225
common difference d = 8, S25 = 1025
common difference d = 4, S25 = 1025
common difference d = -4, S25 = 512
19.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = 120
common difference d = -2, S15 = 120
common difference d = 2, S15 = 150
common difference d = 4, S15 = 120
20.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 1, S30 = -420
common difference d = -4, S30 = -1710
common difference d = -2, S30 = -840
common difference d = 1, S30 = -840
21.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S20 = 920
common difference d = 8, S20 = 920
common difference d = 4, S20 = 920
common difference d = 8, S20 = 460
22.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S30 = -315
common difference d = -2, S30 = -630
common difference d = 2, S30 = -315
common difference d = 2, S30 = -1500
23.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 6, S30 = 1455
common difference d = 5, S30 = 728
common difference d = -3, S30 = 1455
common difference d = 3, S30 = 1455
24.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S30 = -840
common difference d = -2, S30 = -900
common difference d = 2, S30 = -420
common difference d = -2, S30 = -1710
25.
The table shows some terms of an arithmetic sequence. Which option is correct?
The table shows some terms of an arithmetic sequence. Which option is correct?
T10 = 118, S10 = 365
T10 = 59, S10 = 730
T10 = 59, S10 = 365
T10 = 59, S10 = 379
26.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S25 = 1050
common difference d = 6, S25 = 1125
common difference d = -3, S25 = 1050
common difference d = 3, S25 = 1950
27.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 860
common difference d = 4, S20 = 780
common difference d = 4, S20 = 1540
common difference d = -4, S20 = 1540
28.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = 300
common difference d = -4, S15 = 570
common difference d = 3, S15 = 255
common difference d = 6, S15 = 570
29.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -1, S20 = -650
common difference d = -3, S20 = -590
common difference d = 3, S20 = -590
common difference d = -6, S20 = -590
30.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -1, S20 = 740
common difference d = 4, S20 = 1500
common difference d = 4, S20 = 740
common difference d = -1, S20 = 370
31.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 10, S15 = 232
common difference d = 10, S15 = 465
common difference d = -3, S15 = 232
common difference d = 3, S15 = 465
32.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S25 = 300
common difference d = 4, S25 = 600
common difference d = 2, S25 = 600
common difference d = 4, S25 = 650
33.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = 705
common difference d = 3, S15 = 390
common difference d = -3, S15 = 705
common difference d = 3, S15 = 195
34.
The table shows some terms of an arithmetic sequence. Which option is correct?
The table shows some terms of an arithmetic sequence. Which option is correct?
T12 = -46, S12 = -336
T12 = -50, S12 = -336
T12 = -100, S12 = -342
T12 = -46, S12 = -342
35.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = -480
common difference d = 3, S15 = -480
common difference d = -3, S15 = -165
common difference d = 3, S15 = -82.5
36.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S25 = -375
common difference d = -6, S25 = -1650
common difference d = 6, S25 = -750
common difference d = -3, S25 = -750
37.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S25 = 1175
common difference d = 4, S25 = 1075
common difference d = -4, S25 = 2275
common difference d = -5, S25 = 1075
38.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 560
common difference d = 2, S20 = 280
common difference d = 2, S20 = 560
common difference d = 9, S20 = 280
39.
The table shows some terms of a geometric sequence. Which option is correct?
The table shows some terms of a geometric sequence. Which option is correct?
T10 = 512, Sₙ (n = 6) = 61
T10 = 256, Sₙ (n = 6) = 64
T10 = 1024, Sₙ (n = 6) = 63
T10 = 512, Sₙ (n = 6) = 63
40.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S30 = 1245
common difference d = 3, S30 = 2460
common difference d = 3, S30 = 1155
common difference d = 3, S30 = 578
41.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S30 = 525
common difference d = 4, S30 = 1110
common difference d = 2, S30 = 1050
common difference d = -2, S30 = 1050
42.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S20 = 540
common difference d = -2, S20 = 580
common difference d = -2, S20 = 920
common difference d = 2, S20 = 270
43.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = 232
common difference d = 3, S15 = 465
common difference d = 4, S15 = 465
common difference d = -4, S15 = 465
44.
The table shows some terms of a geometric sequence. Which option is correct?
The table shows some terms of a geometric sequence. Which option is correct?
T8 = -640, Sₙ (n = 6) = -105
T8 = 320, Sₙ (n = 6) = -100
T8 = -1280, Sₙ (n = 6) = -210
T8 = -640, Sₙ (n = 6) = -95
45.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = -1325
common difference d = -2, S25 = -775
common difference d = -5, S25 = -775
common difference d = -2, S25 = -725
46.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 330
common difference d = 8, S15 = 750
common difference d = 8, S15 = 330
common difference d = -6, S15 = 165
47.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 340
common difference d = -2, S20 = 340
common difference d = -2, S20 = 720
common difference d = 2, S20 = 340
48.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S25 = 2575
common difference d = 4, S25 = 1375
common difference d = 8, S25 = 1375
common difference d = 4, S25 = 2575
49.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S20 = -460
common difference d = 2, S20 = -210
common difference d = -2, S20 = -210
common difference d = -2, S20 = -420
50.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S30 = -1305
common difference d = 3, S30 = -1215
common difference d = -3, S30 = -1215
common difference d = -6, S30 = -2520
51.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S20 = -1040
common difference d = -3, S20 = -470
common difference d = 3, S20 = -235
common difference d = 5, S20 = -470
52.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S25 = 900
common difference d = 3, S25 = 1800
common difference d = -3, S25 = 1800
common difference d = 0, S25 = 900
53.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S30 = 1335
common difference d = -3, S30 = 2640
common difference d = -3, S30 = 1335
common difference d = 3, S30 = 1425
54.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S20 = 260
common difference d = 4, S20 = 900
common difference d = 2, S20 = 520
common difference d = 7, S20 = 260
55.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 6, S25 = 1775
common difference d = -3, S25 = 1775
common difference d = -1, S25 = 438
common difference d = 3, S25 = 875
56.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S25 = -975
common difference d = 3, S25 = -1875
common difference d = -3, S25 = -1050
common difference d = 3, S25 = -1050
57.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = 52.5
common difference d = -7, S15 = 135
common difference d = 4, S15 = 105
common difference d = 2, S15 = 105
58.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S30 = -1365
common difference d = 3, S30 = -1365
common difference d = -2, S30 = -2670
common difference d = -3, S30 = -1365
59.
The table shows some terms of an arithmetic sequence. Which option is correct?
The table shows some terms of an arithmetic sequence. Which option is correct?
T10 = 58, S10 = 155
T10 = 29, S10 = 155
T10 = 29, S10 = 157
T10 = 32, S10 = 157
60.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S15 = -315
common difference d = -2, S15 = -315
common difference d = 2, S15 = -315
common difference d = -4, S15 = -345
61.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = -675
common difference d = -2, S25 = -338
common difference d = -3, S25 = -1275
common difference d = -4, S25 = -725
62.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = -180
common difference d = -3, S15 = -225
common difference d = 3, S15 = -495
common difference d = 3, S15 = -180
63.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S20 = 610
common difference d = 3, S20 = 305
common difference d = 3, S20 = 670
common difference d = 2, S20 = 610
64.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S30 = -2430
common difference d = -6, S30 = -1125
common difference d = -3, S30 = -1125
common difference d = -6, S30 = -2430
65.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = 1770
common difference d = 2, S30 = 960
common difference d = 2, S30 = 900
common difference d = 1, S30 = 450
66.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 9, S15 = 450
common difference d = 6, S15 = 495
common difference d = 6, S15 = 225
common difference d = 3, S15 = 450
67.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S20 = -250
common difference d = -2, S20 = -250
common difference d = -6, S20 = -500
common difference d = -2, S20 = -500
68.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = -675
common difference d = -3, S15 = -360
common difference d = 3, S15 = -405
common difference d = 3, S15 = -180
69.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 600
common difference d = 8, S15 = 600
common difference d = -4, S15 = 540
common difference d = 4, S15 = 540
70.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = 780
common difference d = 2, S30 = 720
common difference d = 2, S30 = 1590
common difference d = -5, S30 = 1590
71.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = -435
common difference d = -3, S15 = -390
common difference d = 3, S15 = -195
common difference d = -3, S15 = -705
72.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S20 = 130
common difference d = -2, S20 = 260
common difference d = 2, S20 = 260
common difference d = -2, S20 = 130
73.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 700
common difference d = -4, S20 = 350
common difference d = 4, S20 = 1460
common difference d = 8, S20 = 350
74.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S15 = -165
common difference d = -4, S15 = -360
common difference d = -4, S15 = -330
common difference d = -2, S15 = -330
75.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S20 = -520
common difference d = -2, S20 = -480
common difference d = -4, S20 = -240
common difference d = -4, S20 = -520
76.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S30 = -1335
common difference d = -6, S30 = -622
common difference d = 3, S30 = -1245
common difference d = -3, S30 = -1245
77.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S25 = -1950
common difference d = -3, S25 = -525
common difference d = -3, S25 = -1050
common difference d = 3, S25 = -1050
78.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S20 = 670
common difference d = 6, S20 = 1180
common difference d = 3, S20 = 610
common difference d = -3, S20 = 670
79.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S15 = 240
common difference d = -4, S15 = 900
common difference d = 8, S15 = 900
common difference d = 4, S15 = 480
80.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S20 = 440
common difference d = 3, S20 = 480
common difference d = 4, S20 = 220
common difference d = 2, S20 = 820
81.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = -625
common difference d = 2, S25 = -625
common difference d = 2, S25 = -1225
common difference d = 2, S25 = -312
82.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S25 = 1700
common difference d = -4, S25 = 875
common difference d = 3, S25 = 800
common difference d = 6, S25 = 800
83.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S20 = 1600
common difference d = 8, S20 = 840
common difference d = 4, S20 = 840
common difference d = -4, S20 = 920
84.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -7, S25 = -1075
common difference d = -3, S25 = -1075
common difference d = -7, S25 = -1150
common difference d = -6, S25 = -1075
85.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S25 = 950
common difference d = -3, S25 = 1025
common difference d = 3, S25 = 475
common difference d = 2, S25 = 1025
86.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 1, S20 = 780
common difference d = 2, S20 = 400
common difference d = 4, S20 = 200
common difference d = 4, S20 = 400
87.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S25 = -800
common difference d = 4, S25 = -1700
common difference d = -3, S25 = -1700
common difference d = 3, S25 = -800
88.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S30 = -720
common difference d = -2, S30 = -780
common difference d = 5, S30 = -720
common difference d = -4, S30 = -360
89.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S30 = 1650
common difference d = 4, S30 = 1770
common difference d = 4, S30 = 1650
common difference d = 4, S30 = 825
90.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = -1140
common difference d = -2, S30 = -1140
common difference d = -4, S30 = -1080
common difference d = -2, S30 = -1080
91.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S25 = -1075
common difference d = -2, S25 = -475
common difference d = 5, S25 = -475
common difference d = 2, S25 = -238
92.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S15 = 360
common difference d = 2, S15 = 150
common difference d = 2, S15 = 360
common difference d = 4, S15 = 150
93.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S25 = -1200
common difference d = 0, S25 = -300
common difference d = -2, S25 = -600
common difference d = -2, S25 = -1200
94.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S30 = -930
common difference d = -2, S30 = -930
common difference d = -2, S30 = -465
common difference d = -4, S30 = -990
95.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S25 = -1600
common difference d = -3, S25 = -700
common difference d = 8, S25 = -350
common difference d = -3, S25 = -350
96.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = 345
common difference d = 3, S15 = 615
common difference d = 3, S15 = 300
common difference d = 3, S15 = 345
97.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 570
common difference d = -4, S15 = 285
common difference d = 4, S15 = 630
common difference d = -4, S15 = 570
98.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S25 = 2500
common difference d = 4, S25 = 2500
common difference d = 4, S25 = 1300
common difference d = 8, S25 = 1300
99.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 0, S30 = 652
common difference d = 3, S30 = 1305
common difference d = 0, S30 = 2610
common difference d = -3, S30 = 1305
100.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = 400
common difference d = -1, S20 = 180
common difference d = 2, S20 = 360
common difference d = -2, S20 = 740
101.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 840
common difference d = 4, S20 = 460
common difference d = 2, S20 = 460
common difference d = 4, S20 = 230
102.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S20 = 770
common difference d = 6, S20 = 770
common difference d = 10, S20 = 830
common difference d = 10, S20 = 1340
103.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = 675
common difference d = 1, S25 = 625
common difference d = 1, S25 = 1225
common difference d = 2, S25 = 625
104.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S20 = -335
common difference d = -6, S20 = -1240
common difference d = -3, S20 = -670
common difference d = -6, S20 = -335
105.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 840
common difference d = -4, S20 = 840
common difference d = -4, S20 = 1600
common difference d = 8, S20 = 1600
106.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 915
common difference d = 5, S15 = 495
common difference d = 4, S15 = 495
common difference d = 8, S15 = 915
107.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S30 = 1920
common difference d = 4, S30 = 900
common difference d = 4, S30 = 1920
common difference d = 4, S30 = 1800
108.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S30 = -570
common difference d = -2, S30 = -285
common difference d = 10, S30 = -1440
common difference d = 10, S30 = -630
109.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = -158
common difference d = -2, S15 = -525
common difference d = -2, S15 = -315
common difference d = -4, S15 = -315
110.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S30 = -720
common difference d = -2, S30 = -360
common difference d = 2, S30 = -1590
common difference d = 5, S30 = -1590
111.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S30 = 1605
common difference d = 7, S30 = 1605
common difference d = 7, S30 = 1515
common difference d = 3, S30 = 1515
112.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S20 = 275
common difference d = 6, S20 = 610
common difference d = -3, S20 = 550
common difference d = 3, S20 = 550
113.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = -350
common difference d = -2, S25 = -700
common difference d = -4, S25 = -350
common difference d = -2, S25 = -1300
114.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S20 = -510
common difference d = -6, S20 = -255
common difference d = -3, S20 = -1080
common difference d = -3, S20 = -510
115.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = 375
common difference d = -3, S15 = 645
common difference d = 6, S15 = 375
common difference d = 3, S15 = 330
116.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = 202
common difference d = 3, S15 = 720
common difference d = 3, S15 = 405
common difference d = 6, S15 = 450
117.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = -705
common difference d = -6, S15 = -705
common difference d = 3, S15 = -195
common difference d = -3, S15 = -390
118.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S15 = -405
common difference d = -3, S15 = -405
common difference d = 3, S15 = -720
common difference d = -6, S15 = -450
119.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = 580
common difference d = 2, S20 = 580
common difference d = 2, S20 = 290
common difference d = -2, S20 = 620
120.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 270
common difference d = -2, S15 = 270
common difference d = 2, S15 = 270
common difference d = -2, S15 = 480
121.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = -480
common difference d = 3, S15 = -480
common difference d = -3, S15 = -435
common difference d = 3, S15 = -218
122.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S20 = 690
common difference d = 3, S20 = 345
common difference d = -3, S20 = 345
common difference d = 3, S20 = 1260
123.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = 360
common difference d = -2, S15 = 165
common difference d = 2, S15 = 330
common difference d = 2, S15 = 540
124.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S20 = 365
common difference d = -3, S20 = 365
common difference d = -3, S20 = 730
common difference d = 3, S20 = 730
125.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S30 = 1800
common difference d = 2, S30 = 930
common difference d = -2, S30 = 930
common difference d = 4, S30 = 930
126.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 1460
common difference d = -4, S20 = 1460
common difference d = 4, S20 = 780
common difference d = 4, S20 = 700
127.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -7, S25 = -1075
common difference d = -6, S25 = -1150
common difference d = -6, S25 = -1075
common difference d = -3, S25 = -1075
128.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = -375
common difference d = -3, S15 = -188
common difference d = -3, S15 = -420
common difference d = -4, S15 = -188
129.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = 800
common difference d = 8, S20 = 1480
common difference d = 4, S20 = 720
common difference d = -2, S20 = 720
130.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = 465
common difference d = 10, S15 = 780
common difference d = 6, S15 = 780
common difference d = 10, S15 = 510
131.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S30 = -1050
common difference d = -4, S30 = -525
common difference d = -2, S30 = -1050
common difference d = 2, S30 = -525
132.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S25 = 1400
common difference d = 4, S25 = 700
common difference d = 4, S25 = 1400
common difference d = -4, S25 = 1400
133.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S30 = 1245
common difference d = -2, S30 = 1335
common difference d = -3, S30 = 1245
common difference d = 6, S30 = 2550
134.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S20 = 360
common difference d = 4, S20 = 360
common difference d = 4, S20 = 720
common difference d = 4, S20 = 800
135.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = 255
common difference d = 3, S15 = 300
common difference d = -4, S15 = 300
common difference d = 3, S15 = 255
136.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 375
common difference d = 4, S15 = 690
common difference d = 3, S15 = 375
common difference d = 4, S15 = 420
137.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = 550
common difference d = 4, S25 = 550
common difference d = 2, S25 = 550
common difference d = -2, S25 = 275
138.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -8, S20 = 410
common difference d = 3, S20 = 410
common difference d = 3, S20 = 205
common difference d = 3, S20 = 470
139.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = -400
common difference d = 2, S20 = -780
common difference d = -2, S20 = -200
common difference d = -2, S20 = -780
140.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S30 = -1110
common difference d = -4, S30 = -1980
common difference d = -2, S30 = -1170
common difference d = 2, S30 = -1110
141.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 6, S20 = 500
common difference d = 2, S20 = 500
common difference d = 2, S20 = 250
common difference d = 2, S20 = 880
142.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S25 = -375
common difference d = 2, S25 = -375
common difference d = -2, S25 = -1350
common difference d = -2, S25 = -750
143.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S25 = 975
common difference d = 3, S25 = 975
common difference d = 3, S25 = 1050
common difference d = 6, S25 = 975
144.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = -1050
common difference d = -4, S30 = -1920
common difference d = -2, S30 = -1110
common difference d = -2, S30 = -1050
145.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S20 = -860
common difference d = -4, S20 = -480
common difference d = -2, S20 = -480
common difference d = -5, S20 = -480
146.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S25 = 1000
common difference d = -4, S25 = 1100
common difference d = -8, S25 = 2200
common difference d = 4, S25 = 2200
147.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S25 = 325
common difference d = 4, S25 = 700
common difference d = -2, S25 = 325
common difference d = 2, S25 = 650
148.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S25 = 875
common difference d = 4, S25 = 875
common difference d = 2, S25 = 825
common difference d = 9, S25 = 875
149.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 10, S15 = -165
common difference d = -3, S15 = -165
common difference d = -6, S15 = -480
common difference d = 3, S15 = -480
150.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S15 = -495
common difference d = -5, S15 = -285
common difference d = 2, S15 = -142
common difference d = -2, S15 = -285
151.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 6, S25 = 1150
common difference d = 3, S25 = 1150
common difference d = -3, S25 = 1225
common difference d = 10, S25 = 2050
152.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 9, S25 = 1425
common difference d = 4, S25 = 1425
common difference d = 8, S25 = 712
common difference d = 4, S25 = 1525
153.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S20 = -490
common difference d = -3, S20 = -550
common difference d = 4, S20 = -550
common difference d = -3, S20 = -490
154.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S30 = 668
common difference d = 6, S30 = 1425
common difference d = 3, S30 = 1335
common difference d = -3, S30 = 1335
155.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S25 = 1125
common difference d = -7, S25 = 512
common difference d = 8, S25 = 2225
common difference d = 4, S25 = 1025
156.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = 570
common difference d = 2, S30 = 1140
common difference d = 2, S30 = 1200
common difference d = 4, S30 = 1200
157.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S30 = 3630
common difference d = 4, S30 = 1890
common difference d = 5, S30 = 3630
common difference d = 5, S30 = 945
158.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = -610
common difference d = 3, S20 = -610
common difference d = -2, S20 = -1180
common difference d = -3, S20 = -610
159.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S15 = 315
common difference d = 2, S15 = 315
common difference d = 4, S15 = 315
common difference d = 2, S15 = 525
160.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = -420
common difference d = -4, S20 = -460
common difference d = -4, S20 = -800
common difference d = -4, S20 = -420
161.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S30 = 2730
common difference d = 3, S30 = 1425
common difference d = 3, S30 = 712
common difference d = 3, S30 = 1515
162.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 345
common difference d = 2, S15 = 315
common difference d = 7, S15 = 158
common difference d = 2, S15 = 345
163.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 780
common difference d = 4, S20 = 390
common difference d = 8, S20 = 780
common difference d = 8, S20 = 390
164.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = 180
common difference d = 2, S15 = 390
common difference d = 2, S15 = 570
common difference d = 2, S15 = 360
165.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S25 = 1375
common difference d = 4, S25 = 1375
common difference d = -4, S25 = 688
common difference d = 4, S25 = 1475
166.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S25 = -1100
common difference d = -3, S25 = -2000
common difference d = -6, S25 = -550
common difference d = 3, S25 = -1175
167.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = 450
common difference d = -2, S15 = 270
common difference d = 4, S15 = 450
common difference d = 2, S15 = 240
168.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S25 = -975
common difference d = -3, S25 = -975
common difference d = -3, S25 = -1050
common difference d = -6, S25 = -488
169.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S30 = -600
common difference d = -2, S30 = -660
common difference d = 2, S30 = -600
common difference d = 2, S30 = -1470
170.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S25 = 1350
common difference d = -4, S25 = 675
common difference d = 4, S25 = 1450
common difference d = 6, S25 = 2550
171.
The table shows some terms of an arithmetic sequence. Which option is correct?
The table shows some terms of an arithmetic sequence. Which option is correct?
T15 = -48, S15 = -810
T15 = -45, S15 = -405
T15 = -51, S15 = -411
T15 = -48, S15 = -405
172.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S20 = -480
common difference d = -2, S20 = -820
common difference d = -2, S20 = -440
common difference d = 2, S20 = -820
173.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S25 = 2325
common difference d = 4, S25 = 562
common difference d = -3, S25 = 562
common difference d = 4, S25 = 1125
174.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = -1860
common difference d = -2, S30 = -990
common difference d = -2, S30 = -1860
common difference d = -4, S30 = -990
175.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 10, S30 = 2040
common difference d = -4, S30 = 2040
common difference d = 10, S30 = 3780
common difference d = 4, S30 = 2040
176.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = -960
common difference d = -2, S30 = -900
common difference d = -4, S30 = -960
common difference d = -1, S30 = -1770
177.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 6, S20 = 1200
common difference d = -3, S20 = 630
common difference d = 6, S20 = 690
common difference d = 3, S20 = 630
178.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = 960
common difference d = 2, S30 = 1830
common difference d = 3, S30 = 1020
common difference d = 4, S30 = 960
179.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S30 = -2730
common difference d = 3, S30 = -1515
common difference d = -4, S30 = -712
common difference d = -3, S30 = -1425
180.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S15 = 570
common difference d = 4, S15 = 570
common difference d = -4, S15 = 630
common difference d = -4, S15 = 570
181.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = -300
common difference d = -2, S20 = -340
common difference d = 4, S20 = -150
common difference d = 2, S20 = -150
182.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 9, S20 = 810
common difference d = 3, S20 = 750
common difference d = 9, S20 = 750
common difference d = 3, S20 = 1320
183.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S20 = -1280
common difference d = -3, S20 = -355
common difference d = -3, S20 = -710
common difference d = -6, S20 = -710
184.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S25 = 475
common difference d = 6, S25 = 1850
common difference d = 3, S25 = 475
common difference d = 3, S25 = 950
185.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 6, S30 = 742
common difference d = 6, S30 = 1575
common difference d = -3, S30 = 1575
common difference d = 3, S30 = 1485
186.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S25 = -1100
common difference d = -6, S25 = -1175
common difference d = 3, S25 = -550
common difference d = -3, S25 = -550
187.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S20 = -430
common difference d = 3, S20 = -430
common difference d = 3, S20 = -1000
common difference d = -3, S20 = -430
188.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = -330
common difference d = -6, S15 = -142
common difference d = -6, S15 = -600
common difference d = -3, S15 = -285
189.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = 495
common difference d = 2, S15 = 285
common difference d = 5, S15 = 285
common difference d = -2, S15 = 285
190.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S20 = 680
common difference d = 4, S20 = 340
common difference d = 4, S20 = 680
common difference d = 8, S20 = 760
191.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S20 = -670
common difference d = -2, S20 = -1180
common difference d = -3, S20 = -610
common difference d = -6, S20 = -305
192.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S25 = -750
common difference d = -3, S25 = -1575
common difference d = 9, S25 = -675
common difference d = -3, S25 = -675
193.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S25 = 650
common difference d = 2, S25 = 1250
common difference d = 2, S25 = 650
common difference d = 4, S25 = 1250
194.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S25 = -1250
common difference d = -2, S25 = -650
common difference d = 2, S25 = -1250
common difference d = -2, S25 = -1250
195.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S25 = 1325
common difference d = -4, S25 = 662
common difference d = 8, S25 = 1325
common difference d = 5, S25 = 1425
196.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = -930
common difference d = -4, S30 = -870
common difference d = -2, S30 = -870
common difference d = -2, S30 = -435
197.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S15 = 405
common difference d = -4, S15 = 465
common difference d = -1, S15 = 825
common difference d = 4, S15 = 405
198.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = -425
common difference d = 7, S25 = -1025
common difference d = 2, S25 = -425
common difference d = 2, S25 = -212
199.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S20 = -220
common difference d = -2, S20 = -440
common difference d = -2, S20 = -220
common difference d = -3, S20 = -480
200.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S30 = -1335
common difference d = -6, S30 = -2640
common difference d = -3, S30 = -1425
common difference d = -3, S30 = -2640
201.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S15 = 75
common difference d = 2, S15 = 150
common difference d = 4, S15 = 360
common difference d = 4, S15 = 75
202.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 680
common difference d = 8, S20 = 760
common difference d = 8, S20 = 1440
common difference d = 4, S20 = 1440
203.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S25 = 288
common difference d = 4, S25 = 1175
common difference d = -2, S25 = 1175
common difference d = 2, S25 = 575
204.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S25 = 1550
common difference d = 4, S25 = 1450
common difference d = 8, S25 = 2650
common difference d = 4, S25 = 2650
205.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S25 = 625
common difference d = -2, S25 = 675
common difference d = 4, S25 = 625
common difference d = 4, S25 = 312
206.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S30 = -960
common difference d = -2, S30 = -960
common difference d = -4, S30 = -960
common difference d = -4, S30 = -480
207.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = 285
common difference d = -2, S15 = 285
common difference d = 3, S15 = 600
common difference d = 6, S15 = 285
208.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = 440
common difference d = 2, S20 = 480
common difference d = 4, S20 = 480
common difference d = 2, S20 = 440
209.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S20 = 440
common difference d = 4, S20 = 820
common difference d = 2, S20 = 220
common difference d = 2, S20 = 440
210.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 300
common difference d = 2, S15 = 300
common difference d = 4, S15 = 330
common difference d = -2, S15 = 300
211.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S25 = 725
common difference d = -2, S25 = 725
common difference d = 2, S25 = 362
common difference d = 2, S25 = 1325
212.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S15 = -202
common difference d = -3, S15 = -405
common difference d = 3, S15 = -450
common difference d = -6, S15 = -405
213.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = -330
common difference d = 3, S15 = -330
common difference d = -3, S15 = -645
common difference d = -6, S15 = -645
214.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = 690
common difference d = 3, S15 = 375
common difference d = 4, S15 = 690
common difference d = 4, S15 = 375
215.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S20 = -580
common difference d = -4, S20 = -580
common difference d = -8, S20 = -540
common difference d = -2, S20 = -540
216.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = 345
common difference d = -3, S15 = 615
common difference d = 3, S15 = 300
common difference d = 6, S15 = 345
217.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 495
common difference d = -2, S15 = 142
common difference d = 2, S15 = 285
common difference d = 2, S15 = 142
218.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S30 = -2580
common difference d = -3, S30 = -638
common difference d = 3, S30 = -638
common difference d = -3, S30 = -1275
219.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S30 = -2700
common difference d = -3, S30 = -1395
common difference d = -6, S30 = -698
common difference d = -6, S30 = -1485
220.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 3, S15 = 450
common difference d = 9, S15 = 495
common difference d = -3, S15 = 765
common difference d = 6, S15 = 450
221.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S15 = -270
common difference d = -4, S15 = -300
common difference d = -4, S15 = -270
common difference d = 2, S15 = -300
222.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 915
common difference d = 4, S15 = 495
common difference d = -4, S15 = 495
common difference d = 5, S15 = 555
223.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 8, S30 = 900
common difference d = 8, S30 = 3540
common difference d = 4, S30 = 1800
common difference d = 8, S30 = 1920
224.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -3, S15 = 405
common difference d = -3, S15 = 675
common difference d = 3, S15 = 180
common difference d = 3, S15 = 360
225.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -4, S15 = -330
common difference d = -4, S15 = -540
common difference d = -2, S15 = -165
common difference d = -2, S15 = -330
226.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S30 = 1770
common difference d = 1, S30 = 1890
common difference d = 1, S30 = 1770
common difference d = 1, S30 = 3510
227.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = 435
common difference d = 2, S30 = 870
common difference d = 2, S30 = 1740
common difference d = -2, S30 = 930
228.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 2, S30 = -1140
common difference d = -2, S30 = -1080
common difference d = -7, S30 = -540
common difference d = -2, S30 = -1140
229.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = 4, S15 = 450
common difference d = 2, S15 = 225
common difference d = 2, S15 = 450
common difference d = -4, S15 = 510
230.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -2, S25 = 525
common difference d = 2, S25 = 262
common difference d = 2, S25 = 525
common difference d = 4, S25 = 525
231.
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
The points show the first terms (n, Tₙ) of an arithmetic sequence. Which option is correct?
common difference d = -6, S25 = -1675
common difference d = -3, S25 = -1675
common difference d = -3, S25 = -775
common difference d = -3, S25 = -850
232.
The table shows some terms of an arithmetic sequence. Which option is correct?
The table shows some terms of an arithmetic sequence. Which option is correct?
T20 = 85, S20 = 750
T20 = 80, S20 = 1500
T20 = 80, S20 = 740
T20 = 90, S20 = 750
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