Question

Find the next three terms in each geometric sequence. -4, 16, -64, ...

Answer 1

Explanation:

Common ratio r = a₂/a₁ = 16/(-4) = -4

a₄ = a₃(-4) = 256

a₅ = a₄(-4) = -1024

a₆ = a₅(-4) = 4096