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Indentify the common ratio of the following sequence 5,-15,45

Indentify the common ratio of the following sequence 5,-15,45
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1 vote
Indentify the common ratio of the following sequence 5,-15,45

User Mareka
by
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2 Answers

4 votes
-3

We obtain the common ratio for a sequence by dividing one term by the one before it. If there’s a common ratio, all of the quotients should be the same. In this case:

-15/3 = 45/-15 = -3
User R Thatcher
by
8.3k points
7 votes
The Answer is 1:-3:9
User Clayperez
by
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