SYSTEMS OF EQUATIONS & INEQUALITIES

• Solving Systems of Equations in Two Variables
  
• Two Equations in Two Unknowns applet
• Graphing systems of linear equations applet
• Intersections of Systems of Equations (Go to Discussion:  Using Flash)
  
• Solving Systems of Equations in Three Variables
  
• Modeling Real World Data with Matrices
  
• Gauss-Jordan Elimination to Solve Systems of Equations
• Operations with Matrices
• Matrix Algebra(scroll down to see the material and examples)
• Addition and Multiplication of matrices (contains a tool for adding and multiplying matrices)
• Transformation Matrices
• Modeling Motion with Matrices
  
• Determinants and Multiplicative Inverses of Matrices
• Inverse of a Square Matrix
• Determinant of a Square Matrix
• Determinant, Trace, Adjoint, and Inverse of matrices (contains a tool for calculating these)
• Augmented Matrices and Reduced Row-Echelon Form
  
• Applications of Matrices and Determinants
• Cramer's Rule applet
• Graphing Systems of Linear Inequalities
• Graphing Inequalities
• Graph Linear Inequalities applet
• Graph Several Linear Inequalities applet
• Another Graphing Several Linear Inequalities applet
• Graph Quadratic Inequalities applet
• Graph Two Quadratic Inequalities applet
• Linear Programming
• Linear Programming--scroll down for the information
• Linear Programming applet
• Summaries and Review Problems
• Review problems-- Go to Calculus Book I, then Functions & Geometry, then Inequalities

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