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3 years ago

What is the common ratio of the geometric sequence (-3,-9, -27,-81.....}*

2 answers:

5 0

Divide any term by the term before it, and you'll get the common ratio of the geometric series.

-81/-27=3
The common ratio is 3.

8090 [49]3 years ago

4 0

Answer:

The common ratio is 3

Step-by-step explanation:

To find the common ratio, take the second term and divide by the first term

-9/-3 = 3

We can check by dividing the third term by the second term

-27/-9 =3

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