A demonstration of matrix multiplication is presented through several detailed examples. Explanations of how the commutative law works only on the identity and inverse matrices are also included.

Use this web-based matrix calculator to solve for functions and operations.

Students explore the inverse of a square matrix. Topics examined are the inverse of a real number, using inverses to solve systems, and the determinant of a 2 x 2 matrix. Class notes and examples are included.

[Free Registration/Login may be required to access all resource tools.] Understand that the zero and identity matrices play a role in matrix addition and multiplication similar to the role of 0 and 1 in the real numbers. The determinant...

Presented in Spanish. Example problems and explanations of matrices and subtopics such as adding, subtracting, and multiplying matrices, and inverse matrices. Does provide some solutions.

[Free Registration/Login Required] This flipchart shows students how to solve systems of equations using inverse matrices for real-world problem situations.

Hotmath provides 21 practice problems dealing with systems of equations and inequalities. Each of the practice problems include a step-by-step guide for solving their algebraic problem.

Dozens of statistical terms are defined and illustrated in this glossary.

[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems of equations using Cramer's Rule.

This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."