Vectors in the Coordinate Plane

The Resultant of Two Vectors

Vectors and Describing Direction

Chapter Review: Worked Practice Problems

Solving a System Three Different Ways

The Discriminant and the Type of Solutions

Three Ways to Solve a Quadratic Equation

Multiplying and Dividing Complex Numbers

Adding and Subtracting Complex Numbers

Solving a System with the Matrix Inverse

The Inverse of a 2x2 Matrix

ZZ Pi Probe

ZZ Test Delete Me

The Number Pi and Its Link to the Circle

Special Functions: Piecewise, Floor and Absolute Value

What Inequalities Are

The Imaginary Unit i

The Number π and Its Link to the Circle

The Number π and Its Link to the Circle

Converting Between Metric Units