Khan Academy Static

You're already familiar with factoring quadratics, but have begun to realize that it only is useful in certain cases. Well, this tutorial will introduce you to something far more powerful and general. Even better, it is the bridge to understanding and proving the famous quadratic formula.

3351_Completing_the_square.html

3352_Rewriting_quadratics_as_perfect_squares.html

3355_Solving_quadratics_by_completing_the_square_leading_coefficient_1_.html

3353_Solving_quadratics_by_completing_the_square.html

3356_Solving_quadratics_by_completing_the_square_no_solution.html

3357_Rewriting_quadratics_as_perfect_squares_example_2_.html

3354_Completing_the_square_solving_quadratic_equations.html