Intermediate Algebra for College Students (7th Edition)

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

Chapter 1 - Section 1.3 - Graphing Equations - Exercise Set - Page 37: 38


The values of x are 1 and -2.

Work Step by Step

$y_{1}=x^{2}$ $y_{2}=2-x$ For, $y_{1}=y_{2}, $ $x^{2}=2-x.$ $x^{2}+x-2=0$ $x^{2}+2x-x-2=0$ $x(x+2)-(x+2)=0$ $(x-1)(x+2)=0$ So, $x=1,-2.$
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