Quadratic Equations

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

need to use Quadratic Formula to solve the equation d^2-4d-96=0

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

I have no idea what to do on this problem: 64x^2-1=0

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.

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