Question

What is the value of a1 in the sequence?

−4,−2,−1/2,−1/4,...

Answer 1

a1 = -1/8

Explanation:

-4 × 1/2 = -2

-2 × 1/2 = -1

-1 × 1/2 = -1/2

-1/2 × 1/2 = -1/4

-1/4 × 1/2 = -1/8

Answer 2

-1/8. hope this helps :)