What is the common ratio of the geometric sequance below? 18,-6,2,-2/3 A.-1/3 B.3 C.-3 D.1/3

asked Dec 20, 2019 215k views

4 votes

What is the common ratio of the geometric sequance below?

18,-6,2,-2/3
A.-1/3
B.3
C.-3
D.1/3

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2 votes

The geometric sequence common ratio can be found by r = tn+1/tn

Let tn =- 6

Let t_n+1 = 2

r = 2/-6 = - 1/3

Ildar Musin answered Dec 26, 2019