19. Create a parabola that you think would describe the path of the basket ball through the goal.
2
y =
(x
)
Graph it with your calculator to verify the
parabola passes through the ball and hoop.
20. Create a parabola that you think would be the path of a cannon ball that hits the front door of castle.
2
y =
(x
)
21. Matching (determine which graph matches which situation)
____a. Discriminant is positive.
I.
II.
III.
____b. Discriminant is zero.
____c. Discriminant is negative.