SOLUTION: Are these parallel, perpendicular or neither y=4x-1/3 2y=-1/2x+3

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Question 553310: Are these parallel, perpendicular or neither
y=4x-1/3
2y=-1/2x+3
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
y=4x-1/3
2y=-1/2x+3
y= (-1/4)x+3
compare the slopes
4*-1/4 = -1
m1*m2 =-1
so they are perpendicular