Vector and Matrix Quantities

Understanding vectors

What is a vector?

What Does Vector Coordinates Mean

How to Find the Vector Between Two Points

Solve problems involving velocity

Adding vectors

How Does Vector Addition Work

Multiplying a vector by a scalar

Multiplying Vector by Scalar

How To Find Parallel Vectors

Understanding matrices

How Can You Use Matrices to Represent and Manipulate Data?

Multiplying matrices by scalars

How Do You Multiply Matrices by Scalars?

Performing operations on matrices

How to Add and Subtract Matrices: The Dimension Rule

How to Multiply Matrices of Appropriate Dimensions?

Matrix multiplication isn’t commutative

Why Is Matrix Multiplication Not Commutative?

The zero and the identity matrices

How Do You Find the Determinant of a 2-by-2 Matrix?

What Are the Zero and Identity Matrices?

Multiply a vector by a matrice

How Do You Multiply a Matrix by a Vector?

2x2 matrices as transformations of the plane

How Do 2×2 Matrices Transform Shapes and Scale Area?