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12 November, 12:41

Which sequences are geometric sequences? Check all that apply

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  1. 12 November, 13:00
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    4, 2, 1, 1/2, 1/4 ...

    2, 6, 18, 54, 162 ...

    -4, - 16, - 64, - 256 ...

    Those are the geometric sequences because the factor is 1/2.

    4/2=2

    2/2=1

    And so on,

    The first one has a factor of three and the second has a factor of four.
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