Answer
Geometric sequence
$r=2$
Work Step by Step
$\dfrac {32}{16}=\dfrac {16}{8}=\dfrac {8}{4}=\dfrac {4}{2}=\dfrac {2}{1}=\dfrac {a_{n+1}}{a_{n}}=2$
So this is geometric sequence with $r=2$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 11 - Further Topics in Algebra - Summary Exercises on Sequences and Series - Exercises - Page 1038: 1
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