This video explains a process involving division that can be used to approximate square roots.

# algebra

# Curious Calculation: 3 Digit Num Divided by Sum of Digits (Proof Included)

This video show a calculation starting with a 3 digit number with all the same digit divided by the sum of the digits is always the same result.

# Curious Calculation: Result is Always 8 (Proof Included)

This video show a calculation starting with any counting number that always results in 8. A proof is included.

# Curious Calculation: Result is Always 3 (Proof Included)

This video show a calculation starting with any counting number that always results in 3. A proof is included.

# 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.