61 Videos for "matrices"

Solving Systems using Matrices  Problem 2
Math › Algebra › Solving Systems of Equations
How to use matrices to solve a system of equations that has three equations and three variables. 
Matrix Operations  Concept
Math › Algebra 2 › Matrices
How to use simple matrix operations. 
Matrix Multiplication  Problem 3
Math › Algebra 2 › Matrices
Vertically aligning matrices as a tip for multiplying matrices 
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  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. 
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. 
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. 
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 
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. 
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 TI84 to find the inverse of the coefficient matrix. 
2x2 Determinants  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the determinant of a 2x2 square matrix. 
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 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine the effect of interchanging two rows on the value of a determinant. 
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 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.