Given the following geometric sequence, find the common ratio: {225, 45, 9, ...}. 5 -5 1/5 -1/5

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asked Apr 17, 2018 202k views

2 Answers

Elena Lembersky · Answer 1 · 2018-04-24T10:04:46+0000

in the sequence, a,b,c,d... the common ratio is b/a or c/b or d/c etc

so
common ratio in 225 and 49 and 9 is
49/225 or 9/45=1/5

the common ratio is 1/5

Given the following geometric sequence, find the common ratio: {225, 45, 9, ...}. 5 -5 1/5 -1/5

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