Answer
$-30$
Work Step by Step
We need to use the formula $ a_n =a_1+(n-1) d $
Here, $ a_1=-8$ and $ d=-2$
Plug $ n=12$
$ a_{12}=-8 +(12-1) \times (-2) $
or, $=-8-22$
or, $ a_{12}=-30$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 10 - Review Exercises - Page 1124: 17
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