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

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

User Rolwin Crasta
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2 Answers

3 votes
The sequence is multiply by -2
User Nick Albrecht
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7.5k points
4 votes
The common ratio would be -2
-10/5 = -2
-40/20 = -2
User Chris Lees
by
7.9k points
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