Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 11 - Review Exercises - Page 870: 31


$a_1=-5$;$a_2=5$;$a_3=-5$;$a_4=5$; $a_5=-5$

Work Step by Step

Initial term, $a_1=-5$ and common ratio $r=-1$. Now, we need first five terms of a geometric sequence such as: $a_1=-5$;$a_2=-5(-1)=5$;$a_3=5(-1)=-5$;$a_4=-5(-1)=5$; $a_5=5(-1)=-5$ Hence, five terms are: $a_1=-5$;$a_2=5$;$a_3=-5$;$a_4=5$; $a_5=-5$
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