Question

Determine the common difference or common ratio for the sequence -24, 36, -54, 81, -121.5.

-24, 36, -54, 81,-121,5
Enter your answer in the box.
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Answer 1

its b. i took the test

Explanation:

Answer 2

common ratio: -1.5

Explanation:

You want the common difference or ratio for the sequence ...

-24, 36, -54, 81, -121.5, ...

Common ratio

The signs alternate, so the sequence will not have a common difference.

The common ratio is the ratio of any pair of sequential terms:

r = 36/-24 = -1.5

The common ratio is -1.5.

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