The vertices of a triangle are A(–2, 8), B(1, 2) and C(7, –1).
i) Find the equation of the median AD.
ii) Find the equation of the altitude BE.
(4,1/2), x-y+1=0
(2,1/4), 2x-y+1=0
(4,1/2), x-2y+1=0
(1,4/2), x-y+1=0
The vertices of a triangle are A(10,4), B(-4,9), and (-2,-1). Find the equation of its altitude which passes through (10,4)