### Home > A2C > Chapter 8 > Lesson 8.2.1 > Problem 8-122

8-122.

David Longshot is known for his long golf drives. Today he hit the ball ** **Homework Help ✎

A sketch of the graph would look like the one below.

You must find the value of *a* for the quadratic equation.

What is the vertex?

Use the vertex and another point to solve for .