Question

What is the common ratio of the geometric sequence below?

–2, 4, –8, 16, –32, ...
-4/2
-2/4
2/4
4/2

Answer 1

-4/2

Explanation:

yw

Answer 2

`\large\boxed{-(4)/(2)=-2}`

Explanation:

`a_1,\ a_2,\ a_3,\ a_4,\ ...-\text{geometric sequence}\\\\(a_2)/(a_1)=(a_3)/(a_2)=(a_4)/(a_3)=...-\text{common ratio}\\\\======================\\\\\text{We have}\\\\-2,\ 4,\ -8,\ 16,\ -32,\ ...\\\\\text{The common ratio:}\\\\(4)/(-2)=-2\\\\(-8)/(4)=-2\\\\(16)/(-8)=-2\\\\(-32)/(16)=-2`