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Find the common ratio of the sequence: -4,8,-16,32

Find the common ratio of the sequence: -4,8,-16,32
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5 votes
Find the common ratio of the sequence: -4,8,-16,32

User Anton Semenov
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2 Answers

6 votes
To find a common ratio you need to see what number is being multiplied to each number to get the following number in the sequence. So, if you have -4 and you get 8, you must have multiplied by -2. Making the common ratio -2! :)
User Adam Stelmaszczyk
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8.5k points
5 votes
The number is timesed by -2 each time.
User Bohdan Vorona
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8.5k points
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