SOLUTION: Determine whether the graph of 2 equations are perpendicular. y=3X-7 4Y=3-x

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Question 157785: Determine whether the graph of 2 equations are perpendicular.
y=3X-7
4Y=3-x
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
y=3X-7
4Y=3-x
equations are:
y=3x-7
y=-(1/4)x+3/4
so slopes are 3 and -1/4 product of slopes is -3/4 then lines are not perpendicular. (2 lines are perpendicular if the product of slopes is -1)