61 Videos for "matrices"

Matrix Operations  Problem 3
Math › Algebra 2 › Matrices
Using matrix operations to solve matrix equations 
Area With Determinants  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a parallelogram using a determinant. 
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. 
Area With Determinants  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle using a determinant. 
The Cross Product of Vectors  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the cross product of two 3D vectors. 
Simplifying Determinants  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to simplify determinants using three row (or column) operations. 
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. 
Area With Determinants  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of an irregular quadrilateral using 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. 
Simplifying Determinants  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute a 3x3 determinant using row operations to simplify it first. 
The Cross Product of Vectors  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that the cross product of vectors u and v is perpendicular to both u and v. 
The Cross Product of Vectors  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to find the equation of a plane that contains three given points. 
Area With the Cross Product  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a parallelogram using the cross product of the vectors that determine it. 
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. 
Area With the Cross Product  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in xyzspace using vectors formed from two of its sides. 
Area With the Cross Product  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that the magnitude of the cross product of two vectors gives the area of the parallelogram determined by those two vectors. 
The Cross Product of Vectors  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that when you reverse the order of a cross product, you get the opposite result. 
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. 
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. 
Area With the Cross Product  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in the xyplane using vectors formed from two of its sides.