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Which sequences are geometric? Check all that apply. –2.7, –9, –30, –100, ... –1, 2.5, –6.25, 15.625, ... 9.1, 9.2, 9.3, 9.4, ... 8, 0.8, 0.08, 0.008, ... 4, –4, –12, –20, ...

Which sequences are geometric? Check all that apply. –2.7, –9, –30, –100, ... –1, 2.5, –6.25, 15.625, ... 9.1, 9.2, 9.3, 9.4, ... 8, 0.8, 0.08, 0.008, ... 4, –4, –12, –20, ...
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3 votes
Which sequences are geometric? Check all that apply.

–2.7, –9, –30, –100, ...


–1, 2.5, –6.25, 15.625, ...


9.1, 9.2, 9.3, 9.4, ...


8, 0.8, 0.08, 0.008, ...


4, –4, –12, –20, ...

User Illya
by
8.3k points

1 Answer

5 votes
–1, 2.5, –6.25, 15.625, ...

r=-2.5

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8, 0.8, 0.08, 0.008, ...
r=0.1

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User BigLeo
by
8.2k points
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