Cartesian to Polar Coordinates

Distance Between Two Polar Points

Polar Coordinates

The Identity Matrix

Cramer's Rule for Three Equations

Cramer's Rule for Two Equations

Finding the Determinant of a 3x3 Matrix

Calculating the Cross Product with a Determinant

What the Cross Product Means

The Right-Hand Rule

Calculating the Dot Product and the Angle

Dot Product and Cross Product

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