Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 2 - Section 2.4 - Linear Functions and Slope - Exercise Set - Page 152: 67


$Slope: m=-\frac{A}{B}$ $y-intercept: b=\frac{C}{B}$

Work Step by Step

$Ax+By=C$ $By=-Ax+C$ Divide by B. $y=-\frac{A}{B}+\frac{C}{B}$ Now equation of line is in form $y=mx+b.$ Since the slope is $m$ and the y-intercept is $b$, $Slope: m=-\frac{A}{B}$ $y-intercept: b=\frac{C}{B}$
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