By the end of this section I can...
-solve a quadratic equation using the quadratic formula
-use the discriminant to determine the number of solutions of a quadratic equation
Khan Academy Videos and Interactive Practice:
Intro to the Quadratic Formula
Understanding the Quadratic Formula
Using the Quadratic Formula: Rearranging
Using the Quadratic Formula: Rearranging 2
Using the Quadratic Formula: Negative Coefficients
Solve Quadratic Equations with the Quadratic Formula
Using the Quadratic Formula: Number of Solutions
Number of Solutions of Quadratic Equations
Braingenie:
Finding and Interpreting the Discriminant Given a Quadratic Equation
Using the Quadratic Formula to Solve Quadratic Equations
Solving Quadratic Equations Using the Quadratic Formula Given Standard Form
Solving Quadratic Equations Using the Quadratic Formula by Rearranging Terms First