3.2.10 Lines On a Plane
Condition: adjacent sides of the parallelogram are set by equations \ (y = 2 x-2 \) and \ (y = x+2 \), its diagonals intersect at the beginning of the coordinates. Write the equations of 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.