SYSTEMS OF EQUATIONS & INEQUALITIES
Solving Systems of Equations in Two Variables
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 Two Quadratic Inequalities
applet
Graphing inequalities
plotter
Linear Programming
Linear Programming
--scroll down for the information
Summaries and Review Problems
Review problems
-- Go to
Calculus Book I,
then
Functions & Geometry
, then
Inequalities