What is the Discriminant?

b^2-4ac

The value of the discriminant will determine the type of roots of a Quadratic Graph.

It can also be used to determine the range or value of the unknown in a quadratic graph.

The video below shows how to use the discriminant to find the range of values of an unknown in a quadratic function.

PS : – You can get complete worksheet and Video Lessons to learn Form 4 Chapter 3 Quadratic Functions here.

**PS :- If you find this post helpful, feel free to share it with your friends. Just click on the “Share on Facebook” link below .**

how to go to lesson 3 ,4,5,…n aso the lesson 7

thanks for the video miss ng,,it really useful for me