Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Section 3.2 - Graphing Linear Equations - Exercise Set - Page 213: 31

Answer

Please see the graph.

Work Step by Step

$y=-3.5x+4$ Let $x=0$ $y=-3.5x+4$ $y=-3.5*0+4$ $y=4$ Let $y=0$ $y=-3.5x+4$ $0=-3.5x+4$ $3.5x=4$ $3.5x*2=4*2$ $7x=8$ $7x/7 = 8/7$ $x =8/7$ Let $x=2$ $y=-3.5x+4$ $y=-3.5*2+4$ $y=-7+4$ $y=-3$ Three points on the line are $(0,4), (8/7,0),$ and $(2,-3)$.
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