Chapter 7 Systems of Equations and Inequalities

1. Solve Systems of Equations by Graphing

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-by-graphing-2

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-by-graphing-3

2. Solve Systems of Equations by Substitution

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-by-substitution-1

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-by-substitution-2

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-by-substitution-3

3. Solve Systems of Equations by Elimination

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-by-elimination

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-by-elimination-2

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-by-elimination-3

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/solving-systems-of-equations-by-elimination

4. Testing solutions for Systems of Equations

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/testing-a-solution-for-a-system-of-equations

5. Solve Systems of Inequalities

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/graphing-systems-of-inequalities-2

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/graphing-systems-of-inequalities-3

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/graphical-system-of-inequalities

6. Testing Solutions for Systems of Inequalities

http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/v/testing-solutions-for-a-system-of-inequalities