Solve the quadratic given the method. Square Roots Factor Complete the Square
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
Determine the number & type of roots. Example: 2
Determine the number & type of roots. Example: 3
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.
Practice Worksheet
Solving by the Quadratic Formula
Quadratic Formula Everything must be on the same side of the equals sign before solving
Question #1 Use the quadratic formula to find the zeros.
Question #2 Use the quadratic formula to find the zeros.
Question #3 Use the quadratic formula to find the zeros.
Question #4 Use the quadratic formula to find the zeros.
Question #5 LAST ONE!! Use the quadratic formula to find the zeros.