Answer
The figure the lines appear to make is a rectangle.
Work Step by Step
red line: $x+4y = 8$
green line: $x+4y = -12$
blue line: $4x-y=-1$
orange line: $4x-y=20$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 5 - Linear Functions - 5-5 Standard Form - Practice and Problem-Solving Exercises - Page 325: 61
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