Answer
Yes
Work Step by Step
The ratios of the consecutive terms are constant ($-3$). Thus, we find that the given sequence $\underline {is}$ a geometric sequence.
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: 11
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