Quadratic Equations

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Calculate the exact and approximate solutions to unfactorable quadratic equations using the Quadratic Formula.

In this video, Salman Khan of Khan Academy explains the quadratic equation. Part 2 of 2.

This video includes sample exercises and step-by-step explanations of shifting quadratic graphs and finding x-intercepts (roots) for the California Standards Test.

Solving Quadratic equations by completing the square

Algebra Terms

A helpful scientific calculator that runs in your web browser window.

In this video, Salman Khan of Khan Academy shows you how to solve quadratics by factoring.

Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.

How to solve quadratic equations using the completing the square method.

In this Early Edge video lesson, you'll learn more about Two-Step Equations, so you can be successful when you take on high-school Math & Algebra.

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