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vladimir1956 [14]
3 years ago
10

Find the common ratio of the geometric sequence -1, -9, -81,...−1,−9,−81,

Mathematics
1 answer:
Leona [35]3 years ago
8 0

Answer:

Geometric

Common ratio = 3

Step-by-step explanation:

3,9,27,81 is geometric because there is a common ratio.

We know there is a common ratio because a term divided by it's previous term is the same each time.

That is

81/27=3

27/9=3

9/3=3.

So the common ratio is 3.

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