Precalc S1 Review - Arithmetic and Geometric Sequences/Series

Front

Next two terms of the arithmetic sequence: 13, 19, 25

Back

31 and 37

Front

Which sequence is NOT an arithmetic sequence? -7, -13, -19, -25,..., -10, -6, -2, 2,.., 6, 8, 10, 12,..., 3, 15, 75, 375,...

Back

3, 15, 75, 375,... is not an arithmetic sequence.

Front

Which sequence is NOT an arithmetic sequence?
Options: 12, 18, 24, 30,..., 10, 3, -4, -11,..., 2, 4, 8, 16,..., 16, 20, 24, 28,...

Back

2, 4, 8, 16,... is not an arithmetic sequence.

Front

What is the common difference of the sequence 2, -1, -4, -7,...?

Back

-3

Front

16, 13, 10, 7, ... Which is the explicit formula for the n^th term a_n? Options: a_n = -3n+19, a_n = -5n+13, a_n = 3n+13, a_n = -5n+20

Back

a_n = -3n+19

Front

67^th term of the arithmetic sequence: 13, 22, 31, 40, ...

Back

607

Front

What is the 76^th term of the arithmetic sequence: 8, 14, 20, 26,...?

Back

458

Front

Which of the following is a geometric sequence? Options: 2, 4, 5, . . .; 2, 6, 18, . . .; 2, 4, 6, . . .; 10, 20, 200, . . .

Back

2, 6, 18, . . .

Front

What is the common ratio of this sequence? 5, 25, 125, ...

Back

5

Front

What is the common ratio of the geometric sequence -1, 6, -36, 216, ...?

Back

-6