Answer
$-4,4,-4,4$
Work Step by Step
$a_n=4(-1)^n$
$a_1=4(-1)^1=-4$
$a_2=4(-1)^2=4$
$a_3=4(-1)^3=-4$
$a_4=4(-1)^4=4$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 9 - Conic Sections, Sequences, and Series - 9.3 Arithmetic Sequences - 9.3 Exercises - Page 727: 5
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