Algebra 2 Online!
 Henrico County Public Schools, Virginia

  
Module - Exploring Quadratic Functions and Inequalities
Lesson 4 - Quadratic Formula and Discriminant
Objective

The student will be able to solve quadratic equations by using the quadratic formula and determine the nature of the roots of quadratic equations.

The Discriminant

Use the sliders to change the values of a, b, and c.

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Discriminant

In the quadractic equation ax2 + bx + c = 0, slide the values of a, b and c and observe the roots of the quadractic.

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SOL

AII.4b - The student will solve, algebraically and graphically, quadratic equations over the set of complex numbers.  

 
Warm-up
  1. ExamView: Solving Equations by Completing the Square Review
Lesson
  1. Notes: Solving Quadratic Equations by the Quadratic Formula (ppt)
Internet Sites
  1. Video Tutor - Discriminant
Practice
  1. Homework: Solving Quadratic Equations by the Quadratic Formula #1-9 (pdf)
Assessment
  1. ExamView: Quadratic Formula and Discriminant Quiz
Other

 
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