145k views
4 votes
Find the common ratio of the geometric sequence –13, 117, -1053, ...

Find the common ratio of the geometric sequence –13, 117, -1053, ...-example-1

1 Answer

5 votes

Answer: -19

Explanation:

Use the geometric ratio r=a2/a1

So 117/-13 = -9

-13*-9= 117

117*-9= -1053

User Darrell H
by
6.2k points