Find maximum height of ball

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
7492 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Description:

This video uses the vertex point of a parabola to find the maximum height of ball thrown in the air given its initial speed.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • How can you use quadratic equations in real life?
  • What is an application of parabolas?
  • How can you find the maximum height of a ball thrown in the air using the vertex of a parabola?
  • How can you find the vertex of a parabola?
  • If Paul throws a ball upward with an initial speed of 48 feet per second, and its height h in feet after t seconds is given by the function h(t) = -16t^2 + 48t, what is the maximum height of the ball?
  • How do you find the vertex of the equation h(t) = -16t^2 + 48t?
  • What is the formula for finding the x-value of the vertex of a parabola?
  • How can you figure out when a ball hits the ground if it is thrown into the air?
  • How can you figure out when h(t) = -16t^2 + 48t equals 0?
  • How do you solve -16t^2 + 48t = 0?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson shows an application problem for parabolas in which you will learn how to find the maximum height or vertex of the parabola. This is a great example application problem for a quadratic equation. You will also learn how to find out when the ball hits the ground. All steps and concepts are explained in this example problem.