4p+7q
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simply add the like terms: 4p -3p +2q -2q = p
3p
Points: (p, q) and (7p, 3q) Midpoint: (4p, 2q) Slope: q/3p Perpendicular slope: -3p/q Perpendicular bisector equation:- => y-2q = -3p/q(x-4p) => qy-2q^2 = -3p(x-4p) => qy-2q^2 = -3px+12p^2 => qy = -3px+12p^2+2q^2 In its general form: 3px+qy-12p^2-2q^2 = 0
3
7p+5q=-3, p=1 7Xp+5q=-3 7+5q=-3 5p=-10 p=-2