Other
Uww: Gauss Jordan Method
An explanation is provided regarding Gauss-Jordan method, along with a thorough example showing every step from the original system of equations to the final solution.
ReadWriteThink
Read Write Think: Decoding the Matrix Exploring Dystopian Characteristics
This lesson uses clips from The Matrix and other dystopian movies to introduce students to the characteristics found in dystopian works, such as Brave New World, Fahrenheit 451, and 1984.
Oak Ridge National Laboratory
Ornl: 7 Gaussian Elimination on Band Matrices
This site gives an example of solving a system of equations with the use of Gaussian Elimination.
Math Planet
Math Planet: Algebra 2: Matrices: How to Operate With Matrices
Provides an explanation, examples, and a video lesson all related to matrices. [5:31]
McGraw Hill
Glencoe: Quiz on Determinants and Multiplicative Inverses of Matrices
Learners demonstrate comprehension of advanced mathematical concepts in Algebra II. The questions check understanding on matrices. Topics include determinants and multiplicative inverses.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Matrix Operations
Twenty problems present a variety of practice with matrix operations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Identity and Inverse Matrices
Sixteen problems present a variety of practice working with identity and inverse matrices. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
University of St. Andrews (UK)
University of St. Andrews: History of Matrices
The University of St. Andrews allows you to look through the history of matrices.
Analyze Math
Analyze Math: Calculate Determinant of a Matrix
Learners explore the Algebra II topic of matrices. The tutorial demonstrates how to calculate the determinant of 2 by 2 and 3 by 3 matrices. The activity includes examples with detailed solutions.
University of Georgia
University of Georgia: Jim Wilson: Vertex Edge Connection
Explanation of adjacency matrix and how to construct them with examples.
Purple Math
Purplemath: Systems of Non Linear Equations: Definitions
This Purplemath lesson provides formulas, equations, graphs and explanations of systems of equations.
Purple Math
Purplemath: Adding and Subtracting Matrices
Demonstrates how to add and subtract matrices, explains why the addition or subtraction sometimes can't be done, and gives an example of how matrix addition is used in homework problems.
Texas Instruments
Texas Instruments: Numb3 Rs: Air Hockey
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...
Math Planet
Math Planet: Algebra 2: Matrices: Basic Information About Matrices
An example and a video lesson provide basic information about matrices. [1:05]
Math Medics
S.o.s. Math: Markov Chains
A step-by-step explanation of using Markov Chains to solve a real-world problem.
Math Medics
S.o.s. Math: Introduction and Basic Operations
This tutorial gives students an introduction to matrix addition with definitions and examples.
Khan Academy
Khan Academy: Use Matrices to Transform 3 D and 4 D Vectors
Find the result (both algebraically and graphically) of transforming a vector using a transformation matrix. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply Matrices by Scalars
Find the matrix that is a result of multiplying a given matrix by a given scalar. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Transform Polygons Using Matrices
Find the image of a given polygon under a transformation defined by a given matrix. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Matrices as Transformations
Match transformation matrices with a visual representation of their effect on the plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Purple Math
Purplemath: Matrix Inversion: Finding the Inverse of a Matrix
Inverse matrices are very useful for solving matrix equations. But, given a matrix, how do you invert it? How do you find the inverse? The technique for inverting matrices is kind of clever. For a given matrix A and its inverse A-1, we...
Purple Math
Purplemath: Minors and Cofactors: Expanding Along a Row
A "minor" is the determinant of the square matrix formed by deleting one row and one column from some larger square matrix. To find the determinant of the matrix A, you have to pick a row or a column of the matrix, find all the cofactors...