SOLUTION: Given the vertices of a triangle are P (3,7), Q(-8,2) and R(-4,-9). Determine the equation of the altitude that passes through the point P.

Question 1179504: Given the vertices of a triangle are P (3,7), Q(-8,2) and R(-4,-9). Determine the equation of the altitude that passes through the point P.
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

(1) Use the given points to find the slope of QR.

(2) Determine the slope of any line perpendicular to QR.

(3) The altitude through P is contained in the line perpendicular to QR and passing through P. You have a slope and a point; use the point-slope form of the equation to find the solution.

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