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: 71

Answer

$x$-intercept $=-\dfrac{3}{2}$ $y$-intercept $=6$

Work Step by Step

$8x-2y+12=0$ To find this equation's $x$-intercept, set $y$ equal to $0$ and solve for $x$: $8x-2y+12=0$ $8x-2(0)+12=0$ $8x+12=0$ $8x=-12$ $x=-\dfrac{12}{8}$ $x=-\dfrac{3}{2}$ To find this equation's $y$-intercept, set $x$ equal to $0$ and solve for $y$: $8x-2y+12=0$ $8(0)-2y+12=0$ $-2y+12=0$ $-2y=-12$ $y=\dfrac{-12}{-2}$ $y=6$ The intercepts of this equation are now known. The graph is shown below:
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