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10 February, 10:35

Determine the common ratio and find the next three terms of the geometric sequence. 8, - 20, 50, ...

a.

-2.5; - 125, 312.5, - 781.25

c.

2.5; - 125, 312.5, - 781.25

b.

-2.5; - 70, 240.6, - 642.85

d.

2.5; - 70, 240.6, - 642.85

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Answers (1)
  1. 10 February, 10:36
    0
    A, because if you divide each term by the following, the common ratio is - 2.5 and you continue the pattern.
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