OpenStudy (anonymous):

is 45, -15, 5, -5/3 a geometric sequence if so how do I figure that out also what would the common ratio be

6 years ago
OpenStudy (anonymous):

get the ratio of two subsequent terms. 45/-15 = -3 also -15/5 = -3 and 5/(-5/3) = -3

6 years ago
OpenStudy (anonymous):

looks like your common ratio is -3 :)

6 years ago
OpenStudy (anonymous):

and because there is a common ratio, it's a geometric sequence

6 years ago
OpenStudy (anonymous):

Thanks man :)

6 years ago
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