Look Who it Was Random video

How does the discriminant relate to the quadratic formula

1,113 views · Published 30 November 2012 · 3:29 · Indexed 6 November 2026

Channel: Brian McLogan · 2012 · Education

Watch on YouTube

👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a quadratic equation. 

The quadratic formula is given by x = (-b +/- sqrt(b^2 - 4ac)) / 2a, where a is the coefficient of the quadratic term (x^2), b is the coefficient of the linear term (x) and c is the constant term. Thus, to solve a quadratic equation using the quadratic formula, first identify the 'a', 'b' and the 'c' of the quadratic equation and plug them into the quadratic formula and evaluate accordingly.

👏SUBSCRIBE to my channel here:  https://www.youtube.com/user/mrbrianmclogan?sub_confirmation=1

❤️Support my channel by becoming a member: https://www.youtube.com/channel/UCQv3dpUXUWvDFQarHrS5P9A/join

🙋‍♂️Have questions? Ask here: https://forms.gle/dfR9HbCu6qpWbJdo7

🎉Follow the Community:  https://www.youtube.com/user/MrBrianMcLogan/community 

Organized Videos:
✅Solve by Quadratic Formula
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMpSGBc4aavq5jKSBZoQZHbY
✅Solve by Quadratic Formula | x^2+bx+c
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMq8nzSqY-meLNyqtFqSI-KO
✅Solve by Quadratic Formula | Equation
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMrJ9sCr7PpmmSfMa0oIww6y
✅Solve by Quadratic Formula | ax^2+bx+c
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMpFdf7S1MQSiwbvEPI175Ao
✅Solve by Quadratic Formula With Fractions
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMp2s7EkAN5NLcWrj1CNXBVR
✅Solve by Quadratic Formula With Missing Terms
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMo8vjw4dh1PlmCcWmIcfnMR
✅Discriminant of a Quadratic Equation
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMocSNxO4mXuyEZyBnR9b-p3
✅Solve by Quadratic Formula | Learn About
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMoFbE5pHRdYSoTHBywMTo9u
✅Discriminant of a Quadratic Equation | Learn About
https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMpWTMkfciifegx7lHEMr0_6

🗂️ Organized playlists by classes here: https://www.youtube.com/user/MrBrianMcLogan/playlists

🌐 My Website - http://www.freemathvideos.com

🎯Survive Math Class Checklist: Ten Steps to a Better Year: https://www.brianmclogan.com/email-capture-fdea604e-9ee8-433f-aa93-c6fefdfe4d57

Connect with me:
⚡️Facebook - https://www.facebook.com/freemathvideos
⚡️Instagram - https://www.instagram.com/brianmclogan/
⚡️Twitter - https://twitter.com/mrbrianmclogan
⚡️Linkedin - https://www.linkedin.com/in/brian-mclogan-16b43623/

👨‍🏫 Current Courses on Udemy: https://www.udemy.com/user/brianmclogan2/

👨‍👩‍👧‍👧 About Me: I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips. Find more here: https://www.freemathvideos.com/about-me/

#QuadraticFormula #Algebra #BrianMcLogan

More from this channel