College Algebra (6th Edition)

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 255: 68

Answer

$x$-intercept: $x=3$ $y$-intercept: $y=-2$

Work Step by Step

$6x-9y-18=0$ To find this equation's $x$-intercept, set $y$ equal to $0$ and solve for $x$: $6x-9y-18=0$ $6x-9(0)-18=0$ $6x-18=0$ $6x=18$ $x=\dfrac{18}{6}$ $x=3$ To find this equation's $y$-intercept, set $x$ equal to $0$ and solve for $y$: $6x-9y-18=0$ $6(0)-9y-18=0$ $-9y-18=0$ $-9y=18$ $y=-\dfrac{18}{9}$ $y=-2$ The intercepts of this equation are now known. The graph is shown below:
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