• #### 3x3 Determinants - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute the determinant of a 3x3 square matrix using minors by expanding along any row or column.
• #### 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 2

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