What is the common ratio of the sequence? -2, 6, -18, 54,... a.-3 b.-2 c.3 d.8

Chris Cummings asked Sep 20, 2022

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38 votes

What is the common ratio of the sequence? -2, 6, -18, 54,...

a.-3
b.-2
c.3
d.8

Chris Cummings asked Sep 20, 2022

3.0k points

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17 votes

Answer:

a. -3

Explanation:

-2 turns into 6 by multiplying it by -3.

the same from 6 to -18, from -18 to 54, ...

so, an/an+1 = -3

MhdSyrwan answered Sep 25, 2022

2.8k points

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