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# What is the common ratio in the sequence 12 -18 27?

Updated: 4/28/2022

Wiki User

7y ago

12 × ratio = -18

→ ratio = -18/12 = -3/2 = -1.5

Checking:

-18 × ratio = -18 × -3/2 = 27 as required

The common ratio is -3/2 (or -1.5)

Wiki User

7y ago

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Q: What is the common ratio in the sequence 12 -18 27?
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