On graph paper, graph lines
and if can be represented by and can be represented by y = − 1. Label their intersection E. Homework Help ✎
What is the relationship between the lines? How do you know?
If E is a midpoint of , what type of quadrilateral could ABCD be? Is there more than one possible type? Explain how you know.
Examine each line's slope to determine the relationship between the two lines.
If E is a midpoint of CD, their diagonals would be perpendicular bisectors.