Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving a Matrix Equation

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a matrix equation.
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Khan Academy

Khan Academy: Represent Linear Systems With Matrix Equations

For Students 9th - 10th Standards
Represent systems of two linear equations with matrix equations by determining A and b in the matrix equation A*x=b. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unknown Type
Khan Academy

Khan Academy: Matrix Equations: Addition and Subtraction

For Students 9th - 10th Standards
Solve equations where the unknown is a matrix, by using matrix addition and subtraction. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Unknown Type
Khan Academy

Khan Academy: Matrix Equations: Scalar Multiplication

For Students 9th - 10th Standards
Solve equations where the unknown is a matrix by using multiplication by a scalar. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Activity
J Coffman

Joseph Coffman's Lecture Notes: Adding and Subtracting Matrices

For Students 9th - 10th Standards
Students learn about matrix subtraction, matrix addition, and matrix equations. An assessment is included to check for comprehension of the concepts.
eBook
Math Planet

Math Planet: Algebra 2: Using Matrices When Solving System of Equations

For Students 9th - 10th Standards
Provides an explanation, examples, and a video lesson all related to using matrices when solving systems of equations. [6:27]
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Augmented Matrices

For Students 9th - 10th Standards
Seventeen problems present a variety of practice working with augmented 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 Solution" button...
Activity
Mathematics Archives

Math Archives: Linear Equation Programs

For Students 9th - 10th Standards
This site contains a downloadable tool that can solve up to 30 simultaneous linear equations in 30 unknowns.
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Solving Systems of Linear Equations Using Matrices

For Students 9th - 10th Standards
Find a concise explanation of how to solve systems of linear equations using matrices. An example is given and clearly explained.
Unknown Type
Khan Academy

Khan Academy: Represent Linear Systems With Matrices

For Students 9th - 10th Standards
Determine the matrix that represents a given system of linear equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unknown Type
Khan Academy

Khan Academy: Precalculus: Matrix Row Operations

For Students 9th - 10th Standards
Determine the matrix that is the result of performing a specific row operation on a given matrix. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Texas Education Agency

Texas Gateway: Solving Systems of Equations Using Matrices

For Students 9th - 10th Standards
Given a system of up to three linear equations, the student will solve the system using matrices with technology.
Lesson Plan
Cuemath

Cuemath: How to Solve Matrices

For Teachers 9th - 10th Standards
In this mini-lesson plan, we will explore the world of matrices by finding the answers to questions like how to solve systems of equations with matrices, how to solve matrices, and matrix operations with examples and formulas while...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Matrix Algebra

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers simplifying matrix expressions using all the previously learned matrix operations.
Handout
Purple Math

Purplemath: Matrix Inversion: Finding the Inverse of a Matrix

For Students 9th - 10th Standards
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...
Activity
Richland Community College

Operations With Matrices

For Students 9th - 10th Standards
This site has an explanation for many operations of matrices, including equality, addition, subtraction, multiplication, and identity.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Matrix Multiplication

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson explains how to multiply two matrices and presents practice exercises.
Activity
Analyze Math

Analyze Math: Calculate Determinant of a Matrix

For Students 9th - 10th Standards
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Forms of Linear Equations

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Systems by Multiplying One Equation

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems by multiplying one equation by a constant to eliminate a variable.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Systems With Multiplication

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Solve linear systems using multiplication.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Systems of Inequalities

For Students 9th - 10th Standards
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.
Activity
Interactive Mathematics

Interactive Mathematics: Matrices and Linear Equations

For Students 9th - 10th Standards
Examples are provided to demonstrate how to use matrices to solve 2x2 and 3x3 matrices. Examples include real world applications and some are interactive.
Handout
Other

Morgan State: Linear Algebraic Equations and Matrices

For Students 9th - 10th Standards
This site gives information on linear equations and matrices. Among the topics discussed are the substitution method, Gauss-Jordan Elimination Method, matrix operations, matrix multiplication, and inverse matrices.

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