SOLUTION: 11. Determine the relationship between the two lines. 2x - y = -10 2x + 4y = 2 A. They are parallel. B. They are perpendicular.

Question 379619: 11. Determine the relationship between the two lines. 2x - y = -10 2x + 4y = 2

A.
They are parallel.

B.
They are perpendicular.

C.
They are neither parallel nor perpendicular.

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Convert both equations to slope-intercept form, and compare their slopes.

.
.

.
.
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Parallel lines have slopes that are identical,
Perpendicular lines have slopes that are negative reciprocals,
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.

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.
The lines are perpendicular.
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.
.

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