Answer
True.
Work Step by Step
We know that two non-vertical lines are parallel if their slopes are equal.
Here the two lines are: $2x+y=4\\y=-2x+4$ and $4x+2y=0\\2y=-4x\\x=-2x$
Thus both lines have a slope of $-2$, thus they are parallel.
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 8 - Section 8.7 - Systems of Inequalities - 8.7 Assess Your Understanding - Page 623: 5
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