Complete the Square and Solve

This applet is intended for the student who has been to lecture or read about solving quadratics by completing the square, but wants some computer assistance. 


  1. Click on the "New Problem" button.

  2. Fill in the editable text field with the correct step and hit enter when you are finished.

  3. All entries should be integers or fractions such as -7, 2/3, or 9/4.

  4. If you are stuck, click on the "Hint" button for assistance.

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Larry Green's Java Applets

Explanations on Completing the Square