• #### 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 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 - 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 3

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

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

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

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine whether two matrices are inverses.
• #### Matrix Operations - Problem 3

##### Math›Algebra 2›Matrices
Using matrix operations to solve matrix equations
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• #### Matrix Operations - Concept

##### Math›Algebra 2›Matrices
How to use simple matrix operations.
• #### Matrix Multiplication - Concept

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

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

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

##### Math›Algebra 2›Matrices
How to multiply matrices by a scalar multiple.

• #### Matrix Multiplication - Problem 3

##### Math›Algebra 2›Matrices
Vertically aligning matrices as a tip for multiplying matrices
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• #### Matrix Operations - Problem 4

##### Math›Algebra 2›Matrices
Adding and subtracting matrices as a method of organizing multiple sets of values in a word problem
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• #### 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).
• #### Augmented Matrices - Problem 2

##### Math›Algebra 2›Matrices
How to solve a system of linear equations using an augmented matrix that yields no solution.