# The Golden Ratio

This video introduces the Golden ratio and provides several examples of where the Golden ratio appears.

# The Fibonacci Sequence

This video introduces the Fibonacci sequence and provides several examples of where the Fibonacci sequence appear in nature.

# Quadratic Function: General Form to Vertex Form Using Vertex Equation (a=1)

This video explains how to write a quadratic function from general form to vertex form using the equation of the vertex, not completing the square.

# Quadratic Function: General Form to Vertex Form Using Vertex Equation (a=-1)

This video explains how to write a quadratic function from general form to vertex form using the equation of the vertex, not completing the square.

# Quadratic Function: General Form to Vertex Form Using Vertex Equation (a=-2)

This video explains how to write a quadratic function from general form to vertex form using the equation of the vertex, not completing the square.

# Quadratic Function: General Form to Vertex Form Using Vertex Equation (a=3)

This video explains how to write a quadratic function from general form to vertex form using the equation of the vertex, not completing the square.

# Ex: Evaluate a Double Integral to Determine Volume (Basic)

This video explains how to evaluate  a double integral that represents volume.