SOLUTION: Please help : Determine if the lines y+2=5x and 5y+x=-15 are perpendicular. Please explain your answer.

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Question 1093036: Please help : Determine if the lines y+2=5x and 5y+x=-15 are perpendicular. Please explain your answer.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Determine if the lines y+2=5x and 5y+x=-15 are perpendicular.
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Find the slope of the 2 lines.
If the product of the 2 slopes = -1, they're perpendicular.