Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - Chapter 2 Test Prep - Review Exercises - Page 297: 54



Work Step by Step

RECALL: The standard form of a line's equation is $Ax+by=C$. The slope $m$ of the line is given by the formula $m=-\dfrac{A}{B}, B\ne0$. The given equation is in standard form with $A=9$ and $B=-4$. Thus, the slope of the line is: $$m=-\dfrac{A}{B}=-\dfrac{9}{-4}=\dfrac{9}{4}$$
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