Answer
The $17^{\text{th}}$ term is $-17$.
Work Step by Step
The $18^{\text{th}}$ is $-5$ and the common difference is $12$ so we simply subtract $12$ and $-5$ to get the $17^{\text{th}}$ term:
$a_{17}=a_{18}-d$
$a_{17}=-5-12$
$a_{17}=-17$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 9 - Sequences and Series - 9-2 Arithmetic Sequences - Practice and Problem-Solving Exercises - Page 575: 28
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