determinant row operations column operations interchanging rows common factors adding a multiple of one row to another 224 videos

Simplifying Determinants
Precalculus Systems of Linear Equations and Matrices
How to simplify determinants using three row (or column) operations.
determinant row operations column operations interchanging rows common factors adding a multiple of one row to another 
Matrix Operations
Algebra 2 Matrices
How to use simple matrix operations.
adding matrices scalar multiple matrix matrices 
Augmented Matrices
Algebra 2 Matrices
How to use matrices to solve a system of linear equations.
augmented matrix row operations scalar multiple 
Greatest Common Factors
Algebra Factoring
How to find the greatest common factor of 2 or more expressions.
greatest common factor factor monomial binomial 
3x3 Determinants
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.
square matrices determinant 3x3 determinant minor of an element 
Order of Operations
Algebra PreAlgebra
How to use the order of operations to simplify expressions.
simplify PEMDAS expression 
Order of Operations
PreAlgebra Integers
How to use the order of operations to simplify expressions.
simplify PEMDAS expression 
Common Algebra II Mistakes
Algebra 2 Additional Topics
How to avoid making an order of operation mistake.
pandas order of operations mistake error 
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 
Definition of OnetoOne Functions
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to define a onetoone function.
one to one function 

Set Operation: Union
Precalculus Linear Equations and Inequalities
How to define union.
Venn diagram union set operation or 
Set Operation: Intersection
Precalculus Linear Equations and Inequalities
How to solve define intersection.
Venn diagram union set operation and 
Set Operation: Union
Algebra 2 Linear Inequalities
How to define union.
Venn diagram union set operation or 
Set Operation: Intersection
Algebra 2 Linear Inequalities
How to solve define intersection.
Venn diagram union set operation and 
Introduction to Matrices
Algebra 2 Matrices
How to talk about matrices.
matrix dimensions element row column 
Vector Operations in 3D
Precalculus Vectors and Parametric Equations
How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions.
vectors components vector addition scalar multiplication the dot product the scalar product magnitude length three dimensions 
Complex Fractions and Order of Operations
PreAlgebra Fractions and MIxed Numbers
Simplifying fractions when simplifying with the order of operations

Factoring Greatest Common Factor
PreAlgebra Polynomials
Factoring is turning a sum or difference into a product

2x2 Determinants
Precalculus Systems of Linear Equations and Matrices
How to compute the determinant of a 2x2 square matrix.
square matrices determinant 2x2 determinant