Algebra 1

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

Chapter 9 - Quadratic Functions and Equations - 9-7 Linear, Quadratic, and Exponential Models - Standardized Test Prep - Page 580: 30



Work Step by Step

$(0,5)$ and $(-3,-1)$ $m=(5--1)/(0--3)$ $m=6/3 =2$ $y=mx+b$ $5=2*0+b$ $5=0+b$ $5=b$ $y=2x+5$ parallel to this line is $m=2$, goes through (1,3) $y=2x+b$ $3=2*1+b$ $3=2+b$ $3-2=2+b-2$ $1=b$ $y=2x+1$
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