Example 3

Solve by using the quadratic formula. Check your solutions. Explain how the graph of the related function supports the type of solutions.
  1. Substitute values for the equation into the quadratic formula.
  2. Check the solutions.
  3. Explain how the graph of the related quadratic function supports the type of solutions.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.