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21 March, 18:26

Which best describes the relationship between the successive terms in the sequence below?

-3.2, 4.8, - 7.2, 10.8, ...

The terms have a common difference of 8.

The terms have a common difference of 1.6.

The terms have a common ratio of - 1.5.

The terms have a common ratio of - 0.67.

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Answers (1)
  1. 21 March, 18:27
    0
    Hello,

    Answer C

    a (n) = a (n-1) * (-1.5)
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