Find the common ratio of the geometric sequence 9, -18, 36, ...

asked Jul 15, 2022 211k views

4 votes

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7 votes

Answer:

-2.

Explanation:

-18/9 = -2.

36/-18 = -2.

We multiply by -2 to get the next number in the sequence.

Common ratio is -2.

Abanmitra answered Jul 21, 2022

4.4k points

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