23 Videos for "determinant"

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. 
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. 
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. 
2x2 Determinants  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the determinant of a 2x2 square matrix. 
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. 
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. 
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. 
Area With Determinants  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a parallelogram using a determinant. 
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. 
Area With Determinants  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle using a determinant. 
Simplifying Determinants  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to simplify determinants using three row (or column) operations. 
Invertible Square Matrices and Determinants  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that a 3x3 matrix, [2 5 3; 15 10 18; 20 50 30], is not invertible by computing its determinant. 
Area With Determinants  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of an irregular quadrilateral using determinants. 
Area With Determinants  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to use the triangle area formula to test three points for collinearity. 
Cramer's Rule  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to solve a system of three linear equations with three unknowns using Cramer's rule and the TI84 to compute determinants. 
Cramer's Rule  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to interpret the results when Cramer's rule fails to yield a solution. 
The Cross Product of Vectors  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the cross product of two 3D vectors. 
Cramer's Rule  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to solve a system of two linear equations with two unknowns using Cramer's rule.