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.

Common Core Standards

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1. Video Tutor - Discriminant