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

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

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With the quadratic formula, we can solve any quadratic equation! Learn how to use it with an example.

How to create a quadratic function that approximates an arbitrary two-variable function.

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Learn how to solve quadratic equations using the quadratic formula with step-by-step examples and explanations.

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