Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 3 - Quadratic Functions - Exercises for Skills for Factoring - Page 135: 51

Answer

$x^2+y^2$ isn't factorable.

Work Step by Step

Since the only shared multiple between the two terms $x^2$ and $y^2$ is $1$, the expression cannot be factored.
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