31 Videos for "order"

The Identity Matrix  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to determine the identity matrix of order n. 
Square Matrices  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to demonstrate that matrix multiplication is not commutative. 
Square Matrices  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that two matrices are inverses (in the sense of matrix multiplication). 
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. 
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 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. 
Strategies for the Math Section
Test Prep › PSAT › PSAT Prep
Get familiar with the PSAT Math section, learn the main strategies to master it and improve your PSAT test score 
Reading Preparation and Pacing
Test Prep › ACT › ACT Reading
Short, helpful video on ACT Reading tips by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm. 
Math Content Review I
Test Prep › ACT › ACT Math
Short, helpful video on ACT prealgebra by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.