SOLUTION: Which of these equations represent perpendicular lines: y=3x-6, y=1/3x+6, y= -1/3x+6, y=1/3x-6 and which are parallel lines: y= -4x+2, y=4x+2, y=1/2x+2, y= -4x+6

Algebra ->  Equations -> SOLUTION: Which of these equations represent perpendicular lines: y=3x-6, y=1/3x+6, y= -1/3x+6, y=1/3x-6 and which are parallel lines: y= -4x+2, y=4x+2, y=1/2x+2, y= -4x+6      Log On


   

Question 305466: Which of these equations represent perpendicular lines: y=3x-6, y=1/3x+6, y= -1/3x+6, y=1/3x-6 and which are parallel lines: y= -4x+2, y=4x+2, y=1/2x+2, y= -4x+6
Answer by solver91311(24713) About Me  (Show Source):
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Perpendicular lines have slopes that are negative reciprocals:



Parallel lines have equal slopes:




John