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1 December, 15:14

A. Which sequence is a geometric sequence?

b. Which sequence is an arithmetic sequence?

A. a. 80, 40, 20, 10, ... b. 5, 10, 15, 20, ...

B. a. 2, 4, 6, 8, 10, ... b. 1, 3, 9, 27, ...

C. a. - 12, - 6, 0, 6, ... b. 2, 4, 8, 16, ...

D. a. 10, 7, 4, 1, - 2, ... b. 4, 20, 100, 500, ...

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  1. 1 December, 15:41
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    A. a. 80, 40, 20, 10, ... b. 5, 10, 15, 20, ...

    Step-by-step explanation:

    a. 80, 40, 20, 10, ...

    Common ratio of ½

    b. 5, 10, 15, 20, ...

    Common difference of 5
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