SOLUTION: How can you mathematically determine if two lines are perpendicular?
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Question 242454: How can you mathematically determine if two lines are perpendicular?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How can you mathematically determine if two lines are perpendicular?
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The product of their slopes must be -1.
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If one of the slopes is 2/3 the other slope will be -3/2
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Cheers,
Stan H.
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