Pl help me! Mark the focus of the parabola you are going to create at F(6,4). Draw a horizontal
line that is 6 units below the focus. This line will be the directrix of your parabola.
What is the equation of the line?

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.