snookems snookems

30-06-2017
Mathematics

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What is the common ratio for the sequence 5, -10, 20, -40, ...?

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lajsdpoafji lajsdpoafji

30-06-2017

The common ratio would be -2
-10/5 = -2
-40/20 = -2

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dianaallanes dianaallanes

30-06-2017

The sequence is multiply by -2

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