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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.

This algebra reference sheet contains the following algebraic operations addition, subtraction, multiplication, and division. It also contains associative, commutative, and distributive properties. There are example of arithmetic operations as well as properties of exponents, radicals, inequalities, absolute values, complex numbers, logarithms, and polynomials. This sheet also contains many common factoring examples. There is a description of the quadratic equation as well as step by step instruction to complete the square.

Quiz on Polynomials, Factoring, and Exponential Expressions

using the quadratic formula to solve an equation

factoric quadratic equations

A straightforward lesson page describing common factors, greatest common factor and factoring polynomials (each with descriptions and examples)