Answer
$5,-15,45,-135,405$
Work Step by Step
Here $a_1=5 $ and $r=-3$
$a_2=a_1r=5(-3)=-15$;
$a_3=a_2r=-15(-3)=45$;
$a_4=a_3r=45(-3)=-135$;
$a_5=a_4r=-135(-3)=405$;
Hence, the first five terms are: $5,-15,45,-135,405$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 11 - Mid-Chapter Check Point - Page 858: 3
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