SOLUTION: Two lines are perpendicular. If the slope of 1 of the lines is -5/7,then what is the slope of the other line?

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Question 589582: Two lines are perpendicular. If the slope of 1 of the lines is
-5/7,then what is the slope of the other line?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Two lines are perpendicular if and only if their slopes are negative reciprocals of each other. That is to say:



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