# What is a quadratic function?

##### 1 Answer

Jul 3, 2018

General form of a quadratic function is

#### Explanation:

Is a function with this general expresion and his characteristics are

a) Is defined for all

b) Plot is a parabola with y-intercept y in

c) The x-intercepts depends on the value of discriminant

If

if

if

The branches of parabola are oriented upwards if

The general look of this type of functions is as follows (particular case of

graph{x^2-3x-3 [-12.66, 12.65, -6.33, 6.33]}

Hop this helps