SOLUTION: Is the line y=1/2x+3/2 perpendicular to the line y=-1/2x+3/2 ?

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Question 261599: Is the line y=1/2x+3/2 perpendicular to the line
y=-1/2x+3/2 ?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
no.
The slopes are 1/2 and -1/2
The product is -1/4
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If they're perpendicular, the product of their slopes will be -1