# Graphing quadratic inequalities in two variables

### Graphing quadratic inequalities in two variables

Grab a pen and grid paper for this lesson. We will learn the tricks on graphing quadratic inequalities in two variables.

###### Basic concepts:

- Quadratic function in general form: $y = ax^2 + bx+c$
- Quadratic function in vertex form: y = $a(x-p)^2 + q$
- Solving quadratic inequalities

###### Related concepts:

- Solving absolute value inequalities