Question

Insert 2 geometric means between -32 and 4

Answer 1

Answer:

16, -8

Step-by-step explanation:

Let the terms of the geometric sequence be $a, ar, ar^2, ar^3$.

We know that $a=-32$ and thus, $-32r^3=4 \implies r=-1/2$.

This means $ar=(-32)(-1/2)=16$ and $ar^2=-32(1/2)^2=-8$.