Question

The following is a geometric sequence.
- 1/2 , 1/4, -1/8 , 1/16
true
false

Answer 1

True

Explanation:

It has a common ratio of -1/2

Each term after the first is obtained by multiplying the previous one by -1/2:-

-1/2 * 1/2 = 1/4 ; 1/4 * -1/2 = -1/8 and so on.