SOLUTION: are these parallel, perpendicular or both? 3y+x=6 and 2y-6x=12

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Question 121199: are these parallel, perpendicular or both?
3y+x=6 and 2y-6x=12
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Check out the slopes:
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are these parallel, perpendicular or both?
3y+x=6 and 2y-6x=12
1st slope: m = (-1/3)
2nd slope: m = (3/1)
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Since the product of the slopes is -1 the lines are perpendicular.
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Cheers,
Stan H.