alexwing285 alexwing285

04-05-2017
Mathematics

contestada

What is the common ratio of the geometric sequence below?
-2, 4, -8, 16, -32...
a. -4/2
b. -2/4
c. 2/4
d. 4/2

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ghanami ghanami

04-05-2017

hello :
the common ratio of the geometric sequence is:
-32/16 =16/-8 =-8/4 = 4/-2 =-2.... answer A : -4/2 = -2

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