1. Lesson 2

1.10. Explore 6

Mathematics 20-1 Module 3

Module 3: Quadratic Functions

 

Self-Check 4
  1. What quadratic function describes the parabola formed by the path of a football that is kicked from ground level 60 m downfield and that reaches a maximum height of 10 m? Answer

  2. What is the farthest distance the kicker could be from the goal post to clear the crossbar, a height of 3.1 m above the playing field? Answer

     
    This is an image of a football above a football field.
    Hemera/Thinkstock

If you feel you have a solid understanding of how to describe and sketch the parabola from the vertex form of the quadratic function and how to write the quadratic function from a graph or the characteristics of a graph, go to Connect.

 

Self-Check 5


textbook
If you feel you need a bit more practice, complete all or parts of questions 3, 4, 6, 8, 9, and 13 on pages 157 to 159 of the textbook. Check your work in the back of the textbook. If you are still unclear about how to answer some questions, contact your teacher.