SOLUTION: y=-2x+5 and y=1/2x indicate if each pair of lines is parallel, perpendicular, or neither.

Question 248566: y=-2x+5 and y=1/2x indicate if each pair of lines is parallel, perpendicular, or neither.
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
The two equations are:

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For lines to parallel thus must have the same slope.
Perpendicular lines have slopes that are the negative inverse of each other.
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The negative inverse of -2 is 1/2, so it appears these lines are perpendicular.
.
We can graph them as:

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