SOLUTION: Y=-2x–8, 1/2x+y=-1 A. Parallel B. Perpendicular C. Neither

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Question 1069322: Y=-2x–8, 1/2x+y=-1
A. Parallel
B. Perpendicular
C. Neither
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Compare the slopes,
m%5B1%5D=-2
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y=-%28-1%2F2%29x-1
m%5B2%5D=-1%2F2
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Parallel lines have identical slopes.
Perpendicular lines have slopes that are negative reciprocals.
m%5B1%5Dm%5B2%5D=-1
In this case,
m%5B1%5Dm%5B2%5D=-2%28-1%2F2%29=1
So these lines are neither parallel nor perpendicular.
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