Prealgebra (7th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321955048

ISBN 13: 978-0-32195-504-3

Chapter 2 - Review - Page 156: 98

Answer

Work Step by Step

$y^2+x^2$ $\longrightarrow$ substitute given values =$1^2+(-2)^2$ $\longrightarrow$ resolve exponents =$1+4$ $\longrightarrow$ add =$5$

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