Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Section 3.1 - Reading Graphs and the Rectangular Coordinate System - Exercise Set: 60

Answer

a. $x=4, y=951$ $x=7, y=939$ $x=10, y=927$ b. $2006$ c. $2014$

Work Step by Step

a. $y=-4x+967$ $y=-4(4)+967$ $y=-16+967$ $y=951$ $y=-4(7)+967$ $y=-28+967$ $y=939$ $y=-4(10)+967$ $y=-40+967$ $y=927$ b. $y=-4x+967$ $930=-4x+967$ $-37=4x$ $x\approx9$ $1997+9=2006$ c. $y=-4x+967$ $900=-4x+967$ $-67=4x$ $x\approx17$ $1997+17=2014$
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