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What is the r (common ratio) for the geometric sequence: -3, -15, -75, -375, -1875...
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What is the r (common ratio) for the geometric sequence: -3, -15, -75, -375, -1875...

User Aadi
by
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The common ratio is the multiplicity of 5

hope this helps

3 x 5 = 15
15 x 5 = 75
75 x 5 = 375
etc

User Benoit Bertholon
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