Wolfram Research
Wolfram Math World: Matrix
From Mathworld.com as site on Maxtricies. Includes formulas, definitions, and links to related articles.
University of Georgia
University of Georgia: Slope of Lines
This site provides a detailed unit on finding the slope of lines that investigates methods for solving systems of equations. Good lesson plan for class.
Wolfram Research
Wolfram Math World: Diagonal Matrix
This site gives a definition and examples of a diagonal matrix. The site also contains many links to other related Math World sites.
University of Regina (Canada)
University of Regina: Math Central: Augmented Matrix Tutorial
The necessary steps to augment a matrix are explianed by using a problem presented by a student.
University of Regina (Canada)
University of Regina: Math Central: How to Augment a Matrix
In easy to follow steps, this resource replies to a student's question on how to augment a matrix.
Richland Community College
Operations With Matrices
This site has an explanation for many operations of matrices, including equality, addition, subtraction, multiplication, and identity.
Wolfram Research
Wolfram Mathworld: Gauss Jordan Elimination
Mathworld provides a three step explanation of Gauss-Jordan elimination. To help you better understand the process, you can click on any of the highlighted terms for definitions.
Texas Instruments
Texas Instruments: Glencoe Algebra 2: Augmented Matrices
Students will solve systems of linear equations.
Texas Instruments
Texas Instruments: Numb3 Rs: Set the Trap
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...
Texas Instruments
Texas Instruments: Numb3 Rs: Set the Trap
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...
Texas Instruments
Texas Instruments: Numb3 Rs: Coded Messages
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...
Texas Instruments
Texas Instruments: Polynomial Functions
In this set of questions, students will find the x-intercepts of a polynomial function, factor a polynomial, and determine the number of solutions of a polynomial equation. Questions are multiple choice and true/false; solutions are...
Texas Instruments
Texas Instruments: Matrix Transformation of Triangles
The symmetry of a trangle on the coordinate plane is discovered through the 2X2 matrix transformations.
Texas Instruments
Texas Instruments: Numb3 Rs: Matrix Operations
Based off of the hit television show NUMB3RS, this lesson shows students how using matrix multiplication can lead to solving real-world problems. In this situation, a painting is missing and the probability of travel betweek five cities...
Texas Instruments
Texas Instruments: Matrices App
This App allows a student to use the TI-73 Explorer calculator to add matrix entry, edit it, and calculate functions.
Texas Instruments
Texas Instruments: Linear Operator and Intro. To Eigenvalues & Eigenvectors
In this Derive activity, students use matrix multiplication as a tool for drawing the outlines of a simple stick house. They work in two dimensional space and show the results of multiplying a figure by 2 X 2 matrices.
Texas Instruments
Texas Instruments: Numb3 Rs: Markov Chain Links
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...
Texas Instruments
Texas Instruments: Matrices and Linear Equations
This Computer Algebra System (CAS) activity encourages students to investigate addition, subtraction, and multiplication of matrices. They find the inverse of a matrix. Students also solve a set of linear equations by using matrices.
Texas Instruments
Texas Instruments: Determinants and Inverse Matrices
In these questions, students are asked to find the determinant and the inverse of four 2 x 2 matrices. These multiple choice questions have solutions provided.
Texas Instruments
Texas Instruments: Video Tutorial How to Create a Matrix
This tutorial shows you how to enter a 2x2 matrix that you could then use in calculations.
PBS
Pbs Learning Media: Meadows or Malls?
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.
Math Medics
S.o.s. Math: Systems of Equations in 2 Variables
Discusses how to solve systems of equations in two variables by reviewing ans showing examples of the four methods of solving linear equations: substitution, elimination, matrices, and graphing.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: The Matrix of a System and Row Operations
The tutorial examines the matrix of a system and row operations. Students learn about the concepts through class notes, examples, and practice problems. Topics include a system of linear equations and augmented matrices. Review exercises...
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Topic Summaries: Systems of Linear Equations and Matrices
The topic summary outlines systems of linear equations and matrices. Some topics reviewed are linear equations in two unknowns, augmented matrix, and Gauss Jordan row reduction. The resource consists of definitions, notes, and examples.