Home » Education

Quadratic Functions

Ranked #14,494 in Education, #316,992 overall | Donates to Room to Read

Everything you need to know but were afraid to ask...

Do you have questions about quadratic functions? Get them answered by watching the videos below. If you still have questions post them below each video. (And feel free to answer other's questions.)

All videos were made by the Khan Academy, a not-for-profit organization with the mission of providing a high quality education to anyone, anywhere.

They have 700 videos on YouTube covering everything from basic arithmetic and algebra to differential equations, physics, and finance which have been recorded by Salman Khan.

If you like the videos please visit the Khan Academy for more. If you like my lens please give it some stars above.

Solving by factoring

This video shows how to solve these quadratic equations:
Please post any questions in the comment box below.
powered by Youtube

Questions?

Do you have a question about factoring quadratic functions? Ask it here; or feel free to answer others.

Show All

The Quadratic Equation

This video shows how to use the quadratic equation to find the roots of a quadratic function:

Please post any questions in the comment box below.
powered by Youtube

Questions?

Do you have a question about the quadratic equation? Ask it here; or feel free to answer others.

Show All

Quadratic Equation Part 2

powered by Youtube

Questions?

Do you still have a question about the quadratic equation? Ask it here; or feel free to answer others.

Show All

Completing the Square

powered by Youtube

Questions?

Do you have a question about the completing the square? Ask it here; or feel free to answer others.

Show All

Proof of Quadratic Formula

powered by Youtube

Questions?

Do you have a question about the quadratic formula proof? Ask it here; or feel free to answer others.

  • JaguarJulie Mar 1, 2010 @ 8:49 am | delete
    OMG ... no questions, just a serious flashback to something I really LOVED! It was like bringing a little creative art into something analytical ... for me.
Show All

When am I EVER going to need this?

I get this question a lot. Post your ideas below and/or vote for your favorites.

1

Vote Up
Vote Down

Find out how long it takes for a penny...

dropped from the empire state building to land on more...1 point

2

Vote Up
Vote Down

Finding the maximum height of a baseball in flight

0 points

3

Vote Up
Vote Down

Anything involving gravity

0 points

4

Vote Up
Vote Down

Find the best price of an item

assuming a demand is a linear function of price.0 points

This Lens Donates to...

Room to Read

You can make an additional donation below.

Room to Read partner with local communities throughout the developing world to provide quality educational opportunities by establishing libraries, creating local language children's literature, constructing schools, providing education to girls and estab

Did you miss anything?

  1. Solving by factoring
  2. The Quadratic Equation
  3. Quadratic Equation Part 2
  4. Completing the Square
  5. Proof of Quadratic Formula
  6. When am I EVER going to need this?

by

boredofeducation

Hello world!
I'm a full-time math teacher, a sometimes Citizen Squid and a 24/7 Giant Squid.
Be sure and check out my other lenses at Damon's Lenses... more »

Feeling creative? Create a Lens!

Explore related pages

Related Tags