What is the 30th term of the arithmetic series 3, 7, 11,?
118
119
120
121
What is the 15th term of the arithmetic sequence 15, 22, 29
92
99
106
113
What is the 23rd term of the arithmetic sequence where a1 = 6 and a5 = 20?
83
89
95
111
What is the 32nd term of the arithmetic sequence where a1 = 12 and a13 = –60?
–192
–186
–180
–174
What is the 32nd term of the arithmetic sequence where a1 = –34 and a9 = –122?
–408
–397
–386
–375
What is the sum of a 52–term arithmetic sequence where the first term is 6 and the last term is
363?
8,487
8,856
9,225
9,594
What is the sum of a 22–term arithmetic sequence where the first term is 55 and the last term is –29?
260
286
312
338
What is the sum of the arithmetic sequence 9, 14, 19, …, if there are 32 terms?
2,768
2,800
2,832
2,864
What is the sum of the arithmetic sequence 153, 139, 125, …, if there are 22 terms?
132
154
176
198
What is the sum of the arithmetic sequence 308, 304, 300, …, if there are 25 terms?
6,450
6,475
6,500
6,525
What is the 7th term of the geometric sequence 3, 9, 27, …?
2,187
6,561
19,683
59,049
What is the 8th term of the geometric sequence 4, –20, 100, …?
–312,500
–12,500
62,500
1,562,500
What is the 9th term of the geometric sequence where a1 = –7 and a6 = –7,168?
–327,680
–393,216
–458,752
–524,288
What is the 7th term of the geometric sequence where a1 = 128 and a3 = 8?
0.03125
0.0625
0.125
0.15625
What is the 7th term of the geometric sequence where a1 = 625 and a2 = –125?
–0.2
0.2
–0.04
0.04
What is the sum of the geometric sequence 3, 15, 75, … if there are 8 terms?
39,062
58,593
195,312
292,968
What is the sum of the geometric sequence 1, –6, 36, … if there are 7 terms?
–39,991
–6,665
6,665
39,991
What is the sum of a 7–term geometric series if the first term is 6, the last term is 24,576, and the common ratio is –4?
–32,766
–19,662
19,662
32,766
What is the sum of a 6–term geometric series if the first term is 24 and the last term is 1,417,176?
1,395,030
1,461,460
1,527,890
1,594,320
At the end of the first day, 5 weeds appear in your neighborhood park. Each day, the number of weeds increases by four times. How many weeds will be in the park at the end of 14 days?
as follows:
1). 119
2). 113
3). 83
4). -174
5). -375
6). 9,594
7). 286
8). 2,768
9). 132
10). 6,500
11). 2,187
12). -312,500
13). -458,752
14). 0.03125
15). 0.04
16). 292,968
17). 39,991
18). 19,662
19). 1,594,320
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