SOLUTION: giving p (9,-9), q (-5,1) and r (-3,4). Write the equation of the line which passes through p and is perpendicular to qr

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Question 1088737: giving p (9,-9), q (-5,1) and r (-3,4). Write the equation of the line which passes through p and is perpendicular to qr
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
First find qr.
Use the points to get the slope.

Perpendicular lines have slopes that are negative reciprocals,



Use the point-slope form of a line with point p,




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