Arithmetic & Geometric Sequences

Front

Identify the common difference in the sequence: 10, 20, 30, 40, ...

Back

10

Front

Is the sequence arithmetic? 17, 9, 1, -7, ...

Back

Yes

Front

Back

Front

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.

Back

a_n = -4n + 29

Front

Back

Front

Find the common ratio for the geometric sequence. Options: 10, 1/2, 2, 4

Back

2

Front

Is the sequence -432, 72, -12, 2,... geometric?

Back

yes

Front

Write the explicit formula for the geometric sequence. Options: a_n = 4(3)^n-1, a_n = 3(4)^n-1, a_n = -4(3)^n-1, a_n = 3(-4)^n-1

Back

a_n = 3(-4)^n-1

Front

Does the following table represent a geometric sequence or an arithmetic?

Back

arithmetic, it has a constant rate

Front

Write the explicit formula for the geometric sequence. Options: a_n = 7(1)ⁿ, a_n = 7(-1)ⁿ, a_n = 7(-1)^n-1, a_n = -1(7)^n-1

Back

a_n = 7(-1)^n-1