Question

What is the common ratio of the
geometric sequence? 1,2,4,8

Answer 1

r = 2

Explanation:

To find the common ratio (r) of a geometric sequence, simply divide a term by its previous term.

8 ÷ 4 = 2

or, 4 ÷ 2 = 2

or, 2 ÷ 1 = 2