CCSS IP Math II 3.4.2 Example 4

Author:
Walch Education, Mathguru
Solve by using the quadratic formula. Check your solutions. Explain how the graph of the related function supports the type of solutions.
GeoGebra Applet
  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.

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