№ 1.11. The vertices ∆АВС are given: А (1; –6); B (3; 4); C (–3; 3). 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) distance from point C to straight line AB.
№ 2.11. Through the intersection point of straight lines 6x - 4y + 5 = 0; 2x + 5y + 8 = 0; hold straight; parallel to the x-axis.