[size=100]Test your skills by completing the square for quadratic expressions of the form ax[sup]2[/sup]+bx+c. Rewrite the expression on a separate sheet of paper, and check your work using the given input boxes. Use the [b][color=#00ffff]New Problem[/color][/b] button to receive a new quadratic expression. Also, use the [b]Hint 1[/b], [b]Hint 2[/b], and [b]Hint 3[/b] checkboxes to guide you if you need assistance.[/size]