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19 March, 19:54

Tell whether the sequence is arithmetic. If it is, what is the common difference? a. - 6, 2, 10, 18, ... b. 1, 2, 4, 8, ...

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Answers (2)
  1. 19 March, 20:10
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    A is arithmetic with a common difference of 8 but b isn't
  2. 19 March, 20:21
    0
    a. - 6, 2, 10, 18,

    common difference: 8

    Step-by-step explanation:

    a. - 6, 2, 10, 18,

    common difference: 8

    b. is not arithmetic
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