Solving Quadratic Equations by using the Quadratic Formula

This video introduces the quadratic formula and explains how it is based on completing the square.

This video discusses how to determine when to use the quadratic equation.

This video introduces the concept of unreal roots.

This video introduces the discriminant and shows how to use it to determine the nature of the solutions to a quadratic equation.

This video demonstrates how to use the quadratic formula to solve a quadratic equation.

This video demonstrates how to use the quadratic formula to solve 3 different example problems.