Question

Use the information given to identify the a9 term of the geometric sequence: a2 = 3, r = −1

Answer 1

-3

Explanation:

a₁ = a₂/r = 3/(-1)=-3

a₉ = a₁ · r⁸ = -3 · (-1)⁸ = -3 · 1 = -3