Common Core
N-CN.C.7
3 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Algebra 2 · Chapter 2 · Lesson 1
What happens when the discriminant is negative.
Algebra 2 · Chapter 2 · Lesson 3
The Quadratic Formula and the Discriminant
One formula, and a number that predicts the answer.
Integrated Math 2 · Chapter 3 · Lesson 3
Every quadratic finally has two roots.