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.

This site from MathWorld.com briefly explains what a zero matrix is and contains links to related topics.

This resource gives a brief definition of a square matrix, click on the highlighted terms for more information on matrices.

This lesson demonstrates how to write systems of equations as augmented matrices. It is 4 of 5 in the series titled "Writing Systems of Equations with Augmented Matrices."

This lesson demonstrates how to write systems of equations as augmented matrices. It is 5 of 5 in the series titled "Writing Systems of Equations with Augmented Matrices."

Find a quick, concise explanation of how to find the determinant of a matrix. Several examples are given and clearly explained.

The resource investigates the determinant of a square matrix. Topics examined are computing determinants, Sarrus?s rule, and the cross product of two vectors. Class notes and examples are included.

Printable PDF file of a Probable Passage Matrix graphic organizer. It asks students to identify the characters, setting, problem, solution, and ending of a story, and it is provided by a standardized test preparation site intended for...

This lesson demonstrates how to write systems of equations as augmented matrices.

[Free Registration/Login Required] This graphic organizer uses a matrix to help students compare items or events. It is useful for helping students understand and analyze reading passages, historical events, and scientific experiments.

Based off of the hit television show NUMB3RS, this lesson shows students a real-world application to matrices and matrix operations. Framed in the context of a stolen painting which the thief may hide at different warehouses, students...

Based off of the hit television show NUMB3RS, this lesson shows students a real-world application to matrices and matrix operations. Framed in the context of a stolen painting which the thief may hide at different warehouses, students...

Based off of the hit television show NUMB3RS, this lesson introduces students to a couple applications of matrices. Namely, a competition matrix is manipulated so as to rank included players, squared to see how opponents did, and finally...

[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.

Based off of the hit television show NUMB3RS, this activity introduces students to the concept of Markov Chains, and shows students how to find the probability of something (dependent) happening in the future, given certain conditions...

Based off of the hit television show NUMB3RS, this lesson uses matrices (inverse and multiplication) to decode messages hidden within digital pictures -- a process known as steganography. This method of hidden communication is known to...

The lesson plan investigates how to use matrices to solve a complex linear programming problem. Educators can download printable version of the lesson in pdf format.

This interactive applet allows you to manipulate polygons using matrices.

Provides examples and a video lesson that illustrate determinants. [5:31]

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

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.

Sixteen problems present a variety of practice using Cramer's Rule to solve equations and systems of equations and working with the determinant of a matrix. They are given with each step to the solution cleverly revealed one at a time....

Here are good examples of the Gauss-Jordan elimination method to solve systems of equations.