SOLUTION: How can I show that two line segments whose endpoints are (8,0) (6,6) and (5,7), and (8,-5) are perpendicular?

Question 678444: How can I show that two line segments whose endpoints are (8,0) (6,6) and (5,7), and (8,-5) are perpendicular?
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
Find slopes of each line segment, the slopes should be negative reciprocals.
For example, if a line has a slope of 2, the perpendicular line will have slope of .
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Use endpoints to find the slope of the line

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(8,0)(6,6)

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(5,7)(8,-5)

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The lines are neither perpendicular nor parallel, they don't have negative reciprocal slopes nor do they even have the same slope.
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Perhaps indicate which endpoints correspond with each line segment.
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