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OpenStudy (anonymous):
Find the common ratio of the sequence. –172, –86, –43, –21.5, . . .
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OpenStudy (yttrium):
What do you think? You can find that by dividing the 1st term by the 2nd. The 2nd by the 3rd. The 3rd by the 4th. And so on. Can you see any common ratio?
OpenStudy (yttrium):
@cheygoeswhoops ?
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