55 Videos for "matrices"

Square Matrices  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that two matrices are inverses (in the sense of matrix multiplication). 
Square Matrices  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to interpret 2x2 matrices as transformations. 
Introduction to Matrices  Concept
Math › Algebra 2 › Matrices
How to talk about matrices. 
Square Matrices  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be. 
Square Matrices  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to demonstrate that matrix multiplication is not commutative. 
Augmented Matrices  Concept
Math › Algebra 2 › Matrices
How to use matrices to solve a system of linear equations. 
Invertible Square Matrices and Determinants  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine whether a square matrix is invertible using its determinant. 
Augmented Matrices  Problem 2
Math › Algebra 2 › Matrices
How to solve a system of linear equations using an augmented matrix that yields no solution. 
Invertible Square Matrices and Determinants  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that a 3x3 matrix is not invertible by computing its determinant. 
Augmented Matrices  Problem 1
Math › Algebra 2 › Matrices
How to solve a system of linear equations using an augmented matrix. 
Invertible Square Matrices and Determinants  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that a 3x3 matrix is not invertible by computing its determinant. 
Augmented Matrices  Problem 3
Math › Algebra 2 › Matrices
How to solve a system of linear equations using an augmented matrix that yields the same line. 
Matrix Operations  Problem 2
Math › Algebra 2 › Matrices
How to multiply matrices by a scalar multiple. 
The Inverse of a Square Matrix  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine whether two matrices are inverses. 
Solving Systems using Matrices  Concept
Math › Algebra › Solving Systems of Equations
How to use matrices to solve a system of equations. 
Solving Systems using Matrices  Problem 1
Math › Algebra › Solving Systems of Equations
How to use matrices to solve a system of equations with whole number solutions. 
Solving Systems using Matrices  Problem 2
Math › Algebra › Solving Systems of Equations
How to use matrices to solve a system of equations that has three equations and three variables. 
Matrix Operations  Problem 1
Math › Algebra 2 › Matrices
How to add matrices. 
Matrix Operations  Concept
Math › Algebra 2 › Matrices
How to use simple matrix operations. 
The Identity Matrix  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine the identity matrix of order n.