Question

What is the common ratio in the geometric sequence?

1, 9, 81, 729,
Answers below

8
9
72
648

Answer 1

b

Explanation:

Answer 2

9

Explanation:

Common ratio is found by raking the second term and dividing by the first term

9/1 = 9

We can check by taking the third term and dividing by the second term

81/9 = 9

The common ratio is 9