bob123413 bob123413

21-05-2018
Mathematics

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What is the common ratio of the sequence?

-2, 6, -18, 54,...

A) −3
B) −2
C) 3
D) 8

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prestonshelton prestonshelton

21-05-2018

Hello!

To find this you have to divide the number by its previous one

6 / -2 = -3
-18 / 6 = -3
54/-18 = -3

The answer is A) -3

Hope this helps!

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