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13 November, 22:37

The first two terms of geometric sequence are shown.

3,9, ...

what is the next term in this geometric sequence?

A: 12

B: 18

C: 21

D: 27

E: none above

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Answers (1)
  1. 14 November, 01:46
    0
    A geometric sequence follows a pattern with a common ratio.

    Find the ratio between 3 and 9

    If you multiply 3 by 3 the answer would be 9.

    The common ratio is 3.

    Now multiply 9 by 3 to get 27.

    The answer is D. 27
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