Math Planet
Math Planet: Algebra 1: The Distributive Property
Provides examples and a video lesson that illustrates the distributive property.
Khan Academy
Khan Academy: Lsn 13: Systems of Equations, Algebraic and Graphical Representations
Lesson 3 of 4 for Passport to Advanced Math. Students will solve systems of equations in two variables in which one equation is linear and the other equation is quadratic or another nonlinear equation; relate properties of the function f...
Math Planet
Math Planet: Radical Expressions: Simplify Radical Expressions
How to simplify radical expressions is explained through the use of examples and a video lesson. [2:29]