SOLUTION: determine whether the graphs of the equations are perpendicular.
8x-7y=3
8y-7x=9
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Question 446087: determine whether the graphs of the equations are perpendicular.
8x-7y=3
8y-7x=9
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
first find their slopes; write them in form
...->......->......->...
slope is:
...->......->...
slope is:
since is an inverse of , lines are perpendicular
let's see it on a graph:
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