Partial basketball shot #2 with sliders

Use the sliders to match the parabola to the path of the basketball. Pay attention to what each slider does to change the parabola.
Does the parabola help you make your prediction? Were you more accurate with your prediction with or without the parabola applet? What did you do to make your prediction before the use of this applet? What are the important characteristics of the parabola? How does the a affect the parabola? How does the k affect the parabola? How does the h affect the parabola?