Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 9 - Quadratic Functions and Equations - 9-8 Systems of Linear and Quadratic Equations - Lesson Check - Page 585: 2


$x=6, -7$

Work Step by Step

$x^2-13x+52=y$ $-14x+94=y$ $x^2-13x+52=-14x+94$ $x^2-13x+52+14x-94=-14x+94+14x-94$ $x^2+x-42 = 0$ $(x+7)(x-6)=0$ $x+7=0$ $x+7-7=0-7$ $x=-7$ $x-6=0$ $x-6+6=0+6$ $x=6$
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