What is a Quadratic Function?

Question

can you show me an example? (with the answer to your example, thnx)

Answer 1

4x^2 +5x +6 is a quadratic  function. It is just a function that has a value with a degree of two. This is a confusing definition an easier way to think about it is if there is a unknown value squared you have a quadratic.  

Answer 2

Here is a simple explanation:

http://en.wikipedia.org/wiki/Quadratic_f...