Algebra 1

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

Chapter 9 - Quadratic Functions and Equations - 9-6 The Quadratic Formula and the Discriminant - Standardized Test Prep - Page 573: 54



Work Step by Step

$2x+y=3$ $2x+y-2x=3-2x$ $y= -2x+3$ $y=-2x+b$ $2=-2*1+b$ $2=-2+b$ $2+2=b-2+2$ $4=b$ $y=-2x+4$ $6=-2x+4$ $6-4=-2x+4-4$ $2=-2x$ $2/-2 = -2x/-2$ $-1 = x$
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