DHS - 3.2
№1.18. The vertices of ∆АВС are given: А (–4; 2); B (6; –4); C (4; 10). Find: a) Equation side AB; b) Equation of height CH; c) the median AM equation; d) the intersection point N of the median AM and the height of the SN; e) the equation of a straight line passing through the vertex C and parallel to the side AB;
e is the distance from point C to line AB.
№ 2.18. Make an equation of a straight line passing through the origin and the point of intersection of straight lines 2x + 5y - 8 = 0; and 2x + 3y + 4 = 0.