Find the common ratio for the following sequence. 1/2, -1/4, 1/8, -1/16, ...

asked Mar 12, 2018 28.2k views

3 votes

Find the common ratio for the following sequence.

1/2, -1/4, 1/8, -1/16, ...

by Rexam

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6 votes

common ratio for the following sequence is -1/2

1/2 x -1/2 = -1/4
-1/4 x -1/2 = 1/8
1/8 x -1/2 = - 1/16
-1/16 x -1/2 = 1/32

Nsg answered Mar 13, 2018

by Nsg

7.7k points

5 votes

1/4/-1/2 = -1/2

1/8/-1/4= -1/2
-1/16/1/8= -1/2
.....
Common ratio is -1/2

Stpoa answered Mar 17, 2018

by Stpoa

8.3k points

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