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9.6 Applications of the Discriminant

9.6 Applications of the Discriminant

Author: Christopher P
Description:

To help students understand how to find the discriminant of a problem and how it helps them when doing their homework and when graphing.

The discriminant is the part of the part of the quadratic formula that is under the radical. It helps people understand how many roots they will have when they graph a quadratic equation.

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Tutorial

Welcome

Welcome to lesson 9.6 of Algebra 1 (also known as Beginning Algebra or Beginner's Algebra). In order to complete this lesson, you will need to know the quadratic formula and function, how to find a vertex and how to find roots. I hope you learn as much as you can from this session.

In this lesson, you will be learning about the discriminant. The discriminant is the equation under the radical of the quadratic equation. The discriminant equation is b2 – 4ac. Watch the video to learn how to apply the equation to help with graphing

9.6 Teaching Video

Watch this to see how to find the discriminant