SOLUTION: Determine which two equations represent perpendicular lines
y=3x-7, y=1/3x+7, y=-1/3x+7, y=1/3x-7
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Question 81566: Determine which two equations represent perpendicular lines
y=3x-7, y=1/3x+7, y=-1/3x+7, y=1/3x-7
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
The slopes of perpendicular lines are the negative reciprocals of each other:
So, y=3x-7 and y=-1/3x+7 have slopes that are the negative reciprocals:
That is, 3 and -1/3
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