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6 May, 14:02

What are the next three terms of the geometric sequence 32, - 16, 8, ...?

a.

2, 1, 1/2

c.

-8, 16, - 32

b.

4, 2, 1

d.

-4, 2, - 1

+1
Answers (1)
  1. 6 May, 17:57
    0
    To find the common ratio, divide the 2nd term by the first term

    -16 / 32 = - 0.5 ... this means u multiply each number by - 0.5 to find the next number

    8 * - 0.5 = - 4 <==

    -4 * - 0.5 = 2 <==

    2 * - 0.5 = - 1 <==

    answer D
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