Answer
$y=x-4$
$Slope: m=1$
$a.) y=x+4.3$
$b.) y=-x+9.3$
Work Step by Step
$x-y=4$
$y=x-4$
$Slope: m=1$
---
$a.)$ $(2.5,6.8), m=1$
$y-6.8=1(x-2.5)$
$y=x+4.3$
$b.)$ $(2.5,6.8), m=-1$
$y-6.8=(-1)(x-2.5)$
$y=-x+9.3$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - 2.1 - Linear Equations in Two Variables - 2.1 Exercises - Page 170: 79
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