Skills Check Solve by Factoring and Square Roots

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Presentation transcript:

Skills Check Solve by Factoring and Square Roots

Warm up – Solve by Completing the Square

Questions over HW?

The Discriminant

The Discriminant tells how many & what type of solutions the quadratic has.

Put the quadratic in standard form first!

 If the discriminant is POSITIVE, then you will have 2 real roots.  If the discriminant is ZERO, then you will have 1 real root.  If the discriminant is NEGATIVE, then you will have 2 imaginary roots.

Determine the number & types of roots. Example: 1 2 Imaginary Roots

Determine the number & type of roots. Example: 2 1 Real Root

Determine the number & type of roots. Example: 3 2 Real Roots

Questions??

Simplifying for the Quadratic Formula

Before we solve using the Quadratic Formula, we need to practice simplifying radicals.

Question #1 Simplify. Perfect Square!!!

Question #2 Simplify.

Question #3 Simplify.

Question #4 Simplify.

Homework