3 years ago

What is the common ratio in the sequence -27, 9, -3, 1....?

2 answers:

4 0

Find the common ratio, u divide the second term by the first term
9/-27 = -1/3

to find the next term in a geometric sequence, u multiply by the common ratio....
-27 * -1/3 = -27/3 = 9
9 * -1/3 = -9/3 = -3
-3 * -1/3 = -3/-3 = 1

atroni [7]3 years ago

3 0

The answer would be 3.hope that helped

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