Practice graphing parabolas quickly by hand. Drag the [color=#c51414]RED[/color] points so the [color=#1551b5]BLUE[/color] parabola matches the
equation. If you get stuck, click on the checkbox to see the graph or to check your answer.
If you would like to guidance in graphing these, check out [url]http://tube.geogebra.org/student/m127273[/url] first!
