Khan Academy
Khan Academy: Number of Solutions to Equations
Practice telling whether an equation has one, zero, or infinite solutions. For example, how many solutions does the equation 8(3x+10)=28x-14-4x have? Students receive immediate feedback and have the opportunity to try questions...
Texas Instruments
Texas Instruments: Baltimore Aquarium Lines
Students will see a loaded image of the Baltimore Aquarium on a graph and be able to send the equation of the line that matches the roof line of the main building.
Alabama Learning Exchange
Alex: Systems of Equations: What Method Do You Prefer?
The purpose of this lesson is to help students apply math concepts of solving systems of equations to real life situations. The students will use the three methods of graphing, substitution, and elimination to solve the system of...
Texas Instruments
Texas Instruments: Maximizing Your Efforts
In this activity, students use linear programming to solve problems involving maximum and minimum values. They use the Inequality Graphing application to solve linear programming problems.
Other
Algebra.com: Homework Solvers
This site offers both instruction and homework help in several algebraic topics, including topics within Pre-Algebra, Algebra I, and Algebra II.