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20 September, 00:28

Find the common radio of the sequence. - 4,8,-16,32,

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  1. 20 September, 00:58
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    The common ratio is - 2. Try dividing the second term by the first, the third by the second, the fourth by the third etc ... and you'll see they all equal to - 2.

    e. g.:

    8 / - 4 = - 2

    -16 / 8 = - 2

    32 / - 16 = - 2
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