matrix multiplication 52 videos


The Identity Matrix
Precalculus Systems of Linear Equations and Matrices
How to determine the identity matrix of order n.
matrices square matrices the identity matrix matrix multiplication 
Matrix Operations
Algebra 2 Matrices
How to use simple matrix operations.
adding matrices scalar multiple matrix matrices 
Solving Linear Systems Using Matrix Algebra
Precalculus Systems of Linear Equations and Matrices
How to convert a system of linear equations into a matrix equation and solve it.
matrices square matrices matrix equation coefficient matrix inverse matrix identity matrix matrix multiplication 
The Inverse of a Square Matrix
Precalculus Systems of Linear Equations and Matrices
How to determine whether two matrices are inverses.
matrices square matrices the identity matrix matrix multiplication invertible inverse matrix 
Additive and Multiplicative Inverses
Algebra PreAlgebra
How to find additive and multiplicative inverses.
additive inverse multiplicative inverse product sum 

Law of Definite Proportions  Law of Multiple Proportions
Physics The Atom and Quantum Physics
Understanding the laws of definite and multiple proportions.
law of definite proportions law of multiple proportions matter dalton's law compounds 
Law of Definite Proportions  Law of Multiple Proportions
Chemistry Matter
Understanding the laws of definite and multiple proportions.
law of definite proportions law of multiple proportions matter dalton's law compounds 
Probability of Multiple Events
Algebra 2 Combinatorics
How to find the probability of multiple events.
probability mutually exclusive inclusive overlap 
Probability of Multiple Events
Precalculus Topics in Discrete Math
How to find the probability of multiple events.
probability mutually exclusive inclusive overlap 
Selling Multiple Items
Algebra Word Problems Using Systems of Equations
How to set up a system of equations to represent word problems where someone is selling multiple items.
system of equations coefficient elimination 
Addition and Scalar Multiplication of Vectors
Precalculus Vectors and Parametric Equations
How to compute the sum of two vectors or the product of a scalar and a vector.
vector components horizontal component vertical component component form vector addition the zero vector scalar multiplication 
Multiplication and Division
PreAlgebra Integers
Learn how to multiply and divide positive and negative numbers.

Solving and Graphing Inequalities using Multiplication or Division
Algebra Solving and Graphing Inequalities
How to solve and graph one variable inequalities using multiplication or division.
inequality notation solve 
Augmented Matrices
Algebra 2 Matrices
How to use matrices to solve a system of linear equations.
augmented matrix row operations scalar multiple 
Square Matrices
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.
matrices rows columns dimension matrix multiplication 
Solving Systems using Matrices
Algebra Solving Systems of Equations
How to use matrices to solve a system of equations.
matrix coefficient matrix inverse matrix system of equations 
Invertible Square Matrices and Determinants
Precalculus Systems of Linear Equations and Matrices
How to determine whether a square matrix is invertible using its determinant.
square matrices invertible determinant zero determinant inverse of a 2x2 matrix 
Multiplying Radicals of the Same Root
Algebra 2 Roots and Radicals
How to multiply radicals of the same root together.
radical multiplication root multiplication