Quadratic Inequalities
- Check the two empty boxes next to f(x) to reveal the colored regions for each inequality.
- Use the sliders to change the location and size of the parabola.
- Answer the questions at the bottom of this page.
- When , is the parabola above or below the ? Are those y-values positive or negative?
- When , is the parabola above or below the ? Are those y-values positive or negative?