## Quadratic Formula Practice
In the sketch below, drag sliders a, b and c to change the quadratic equation. Be certain the graph crosses the x-axis.
Use the Quadratic Formula to solve for the roots/zeros of f(x).
Check your answers by clicking on the check box.
Get a hint if you need one!
Repeat this until you get 10 correct!
Steve Phelps, Created with GeoGebra |