Question

The first six terms in a geometric sequence are shown, where a1=−4
.

−4, −16, −64, −256, −1024, −4096 ...


Based on this information, what is the ninth term in this sequence?

(1 point)

Answer 1

Common ratio r = (-16)/(-4) = 4. General term a_n = -4·4^(n-1). So a_9 = -4·4^8 = -4·65,536 = -262,144.