Answer
$a_{10}=-49$
Work Step by Step
$a_1=5,~~a_2=-1$
$d=a_2-a_1=-1-5=-6$
$a_n=a_1+(n-1)d$
$a_{10}=5+(10-1)(-6)=5+9(-6)=5-54=-49$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.2 - Arithmetic Sequences and Partial Sums - 11.2 Exercises - Page 786: 41
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