College Algebra (6th Edition)

by Blitzer, Robert F.

Published by Pearson

ISBN 10: 0-32178-228-3

ISBN 13: 978-0-32178-228-1

Chapter 2 - Functions and Graphs - Exercise Set 2.3 - Page 258: 114

Answer

See below.

Work Step by Step

Let the equation be $ax+by-12=0$ The y-intercept is at $x=0$, so then: $-6b-12=0$, thus $b=-2$. If $y=mx+b$ is the equation of a line, then $m$ is the slope. So $m=0.5$, thus $a=0.5b=-1$

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