SOLUTION: What must be true about the slopes of two perpendicular lines, neither of which vertical? a) The Slopes Are Equal b) The Slopes Have Product 1 c) The Slopes Have Product -1 d)

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Question 466506: What must be true about the slopes of two perpendicular lines, neither of which vertical?
a) The Slopes Are Equal
b) The Slopes Have Product 1
c) The Slopes Have Product -1
d) One Of The Slopes Must Be 0
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
c) The slopes have product -1.