What is the common ratio of the geometric sequence -2, 8, -32, 128

asked Oct 10, 2022 3.9k views

14 votes

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5 votes

Answer:

r = - 4

Explanation:

The common ratio r of the geometric sequence is

r =
(a_(2) )/(a_(1) ) =
(8)/(-2) = - 4

Mrsargent answered Oct 16, 2022

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