• #### Matrix Multiplication - Concept

##### Math›Algebra 2›Matrices
How to multiply matrices.
• #### Matrix Multiplication - Problem 1

##### Math›Algebra 2›Matrices
How to multiply two by two matrices.
• #### Matrix Multiplication - Problem 2

##### Math›Algebra 2›Matrices
How to multiply matrices with differing dimensions.
• #### Matrix Multiplication - Problem 3

##### Math›Algebra 2›Matrices
Vertically aligning matrices as a tip for multiplying matrices
Tags:
• #### The Identity Matrix - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine the identity matrix of order n.
• #### The Inverse of a Square Matrix - Problem 3

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to find the inverse of a square matrix of order 3 using row operations.
• #### The Inverse of a Square Matrix - Problem 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine that a matrix has no inverse using row operations.
• #### The Inverse of a Square Matrix - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to find the inverse of a square matrix of order 2 using row operations.
• #### Solving Linear Systems Using Matrix Algebra - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to convert a system of linear equations into a matrix equation and solve it.
• #### Solving Linear Systems Using Matrix Algebra - Problem 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to solve three linear equations in three unknowns using matrix algebra.
• #### Solving Linear Systems Using Matrix Algebra - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to solve two linear equations in two unknowns using matrix algebra.
• #### Solving Linear Systems Using Matrix Algebra - Problem 3

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to solve three linear equations in three unknowns using the TI-84 to find the inverse of the coefficient matrix.
• #### The Inverse of a Square Matrix - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine whether two matrices are inverses.
• #### 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 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to demonstrate that matrix multiplication is not commutative.
• #### 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 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to interpret 2x2 matrices as transformations.