SOLUTION: The line joining (3, p) to (7, -4p) is parallel to the line joining (-1, -3) to (3, 7). Find p.

Algebra ->  Coordinate-system -> SOLUTION: The line joining (3, p) to (7, -4p) is parallel to the line joining (-1, -3) to (3, 7). Find p.      Log On


   

Question 1161713: The line joining (3, p) to (7, -4p) is parallel to the line joining (-1, -3) to (3, 7). Find p.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
That means their slopes are equal. Use formula for slope to build the equation, and solve.