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22 August, 21:23

The geometric sequence is 4,-12,36,-108. What is the common ratio

A. - 3

B. - 4

C. 3

D. 1/3

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Answers (1)
  1. 22 August, 21:38
    0
    -3

    Step-by-step explanation:

    4 x - 3 = - 12 (a positive times a negative = a negative number)

    -12 x-3 = 36 (a neg times a neg = positive num) / the negs cancl eachother out

    36 x - 3 = - 108 etc.
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