Answer
We check the common ratios.
Work Step by Step
To see if a sequence is geometric, we check whether the ratio of consecutive terms is constant. If it is, then the sequence is geometric.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 12 Sequences and Series - 12.3 Analyze Geometric Sequences and Series - 12.3 Exercises - Skill Practice - Page 814: 2
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