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26 May, 20:49

What is the common ratio for the geometric sequence? - 15,-9,-27/5,-81/25, ... Enter your answer in the box.

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  1. 26 May, 23:37
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    3/5

    Step-by-step explanation:

    to find the ratio, take the 2nd term and divide by the first term

    -9/-15 = 9/15

    which simplifies to 3/5

    check by dividing the 3rd term by the 2nd term

    -27/5 / - 9

    -27/5 * - 1/9 = 3/5

    the ratio is 3/5
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