Question

What is the common ratio between successive terms in the sequence?

2, –4, 8, –16, 32, –64, ...

Answer 1

-2

Explanation:

Answer 2

-2

Explanation:

A common ratio can be found by dividing any term by the one before it in the sequence:

-4/2 = 8/-4 = -16/8 = 32/-16 = -64/32 = -2

The common ratio is -2.