Khan Academy offers a review of graphing quadratic functions and equations.

Learn about quadratic functions and equations with videos, practice problems, and interactive exercises on Khan Academy.

Khan Academy

Learn about vertex form in quadratic functions and equations with Khan Academy's introductory video.

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Between the videos and the article on graphing Quadratics, I learned how to graph equations in vertex, standard, and factored form. The process for standard and factored begins with finding …

Use the zero product property to solve quadratic equations. For example, solve (x-5)(x+2)=0.

Learn about polynomial expressions, equations, and functions with step-by-step explanations and practice problems on Khan Academy.

Review of the discriminant in quadratic equations and its role in determining the number and type of solutions.

Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a graph of …