Washington State University
Washington State University: Tool for Elementary Row Operations
This site from Washington State University is useful to students as it will break down and solve the matrix for them.
![Pre Calculus Notes: Matrices and Systems of Equations [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Pre Calculus Notes: Matrices and Systems of Equations [Pdf] Handout")
Math Notes and Math Tests
Pre Calculus Notes: Matrices and Systems of Equations [Pdf]
Students learn about matrices and systems of equations. Topics explored are elementary row operations, Gaussian elimination, row-echelon form, and systems with infinitely many solutions. Class notes and examples are included.
Math Medics
S.o.s. Math: Gaussian Elimination
In this lesson, the Gaussian Elimination method is used to solve systems of linear equations. Provides several formulas and examples for understanding.
Purple Math
Purplemath: Matrix Row Operations
Purplemath explains each of the elementary row operations and goes through explaining how each step is carried out and the common notation for each operation. The lesson ends with an example of how to solve an augmented matrix.