SOLUTION: Determiune whether the graphs of the two equations are perpendicular? x+2y=7 2x+4y=9

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Question 320304: Determiune whether the graphs of the two equations are perpendicular?
x+2y=7
2x+4y=9
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
If I multiply the first equation by 2, I would get,
2x%2B4y=14
The second equation is
2x%2B4y=9
These lines have the same x-y relationship (left hand side, slopes) and different right hand sides.
They are parallel since they have equal slopes.