Answer
(a) $(-10,0)$; $(0,8)$. (b) see graph.
Work Step by Step
(a) Given $-4x+5y=40$, to find the x-intercept, let $y=0$. We have $x=-10$ or $(-10,0)$; to find the y-intercept, let $x=0$. We have $y=8$ or $(0,8)$.
(b) see graph.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 1 - Graphs - 1.3 Lines - 1.3 Assess Your Understanding - Page 31: 95
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