• #### Simplifying Determinants - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to simplify determinants using three row (or column) operations.
• #### Simplifying Determinants - Problem 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute a 3x3 determinant using row operations to simplify it first.
• #### 3x3 Determinants - Problem 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine the effect of interchanging two rows on the value of a determinant.
• #### Simplifying Determinants - Problem 3

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute a 4x4 determinant using row operations to simplify it first.
• #### Simplifying Determinants - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute a 3x3 determinant on [8 4 2; 3 9 3; -2 8 6] using row operations to simplify it first.
• #### 3x3 Determinants - Problem 3

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine the effect of a row's common factor on the value of a determinant.
• #### Using the Calculator - Problem 3

How to use the calculator to solve a system of linear equations using an augmented matrix.

• #### Introduction to Matrices - Problem 1

##### Math›Algebra 2›Matrices
Introduction to matrices, including naming, columns and rows, and how to write a system of equations in matrix form
Tags:
• #### Augmented Matrices - Concept

##### Math›Algebra 2›Matrices
How to use matrices to solve a system of linear equations.
• #### Arithmetic Series - Problem 6

##### Math›Precalculus›Sequences and Series
Finding how many rows are in an arithmetic collection if you know the total number of objects in the collection.
Tags:
• #### Augmented Matrices - Problem 1

##### Math›Algebra 2›Matrices
How to solve a system of linear equations using an augmented matrix.
• #### Augmented Matrices - Problem 2

##### Math›Algebra 2›Matrices
How to solve a system of linear equations using an augmented matrix that yields no solution.
• #### 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.
• #### Arithmetic Series - Problem 6

##### Math›Algebra 2›Sequences and Series
Finding how many rows are in an arithmetic collection if you know the total number of objects in the collection.
Tags:
• #### 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.
• #### 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.
• #### 3x3 Determinants - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute the determinant of a 3x3 square matrix using minors by expanding along the top row.