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 - Mixed Review - Page 587: 44


Linear $y=-4.2x+7$

Work Step by Step

$7-11.2=-4.2$ $2.8-7=-4.2$ $-1.4-2.8=-4.2$ $-5.6--1.4=-4.2$ $-9.8--5.6=-4.2$ $y=mx+b$ $7=0*(-4.2)+b$ $7=0+b$ $7=b$ $y=-4.2x+7$
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