[list=1][*][size=150]Check the two empty boxes next to f(x) to reveal the colored regions for each inequality. [/size][/*][*][size=150]Use the sliders to change the location and size of the parabola. [/size][/*][*]Answer the questions at the bottom of this page. [/*][/list]

[list][*][size=150]When [math]f\left(x\right)>0[/math] , is the parabola above or below the [math]x-axis[/math]? Are those y-values positive or negative?[/size][/*][/list][size=150][list][*]When [math]f\left(x\right)<0[/math] , is the parabola above or below the [math]x-axis[/math]? Are those y-values positive or negative?[br][/*][/list][/size]