Warm Up. 4.6 Quadratic Formula What THREE methods have we used so far to solve quadratics? Today you will learn the 4 th and LAST method used for solving.

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Presentation transcript:

Warm Up

4.6 Quadratic Formula What THREE methods have we used so far to solve quadratics? Today you will learn the 4 th and LAST method used for solving quadratics!

Quadratic Formula

Study Tip Although factoring may be an easier method to solve some equations, the Quadratic Formula can be used to solve ANY quadratic!

Solving with Quadratic Formula

You Try!

Solving with Quadratic Formula

You Try!!!

Solving with Quadratic Formula

You Try!!!

Discriminant The value under the square root is called the discriminant. We can use the discriminant to confirm the number and type of solutions.

Discriminants

Examples

Homework Lesson 4.6 Pg. 270 #’s 21-22, 25-26, 28-30