3.2.10 Lines on a plane
Condition: Adjacent sides of a parallelogram are given by the equations \( y=2 x-2 \) and \( y=x+2 \), its diagonals intersect at the origin. Write equations for the diagonals and the other two sides.
Equation of a straight line on a plane. Finding the equations of heights, bisectors and medians of a triangle, the intersection of lines.