Using the digits -9 to 9 no more than one time each, fill in the blanks to make a true statement. (The point that will eventually appear on the graph is moveable.)

GeoGebra

Algebraically show why your setup above is valid. That is, show how your setup makes both equations true.

GeoGebra

Create another setup that is entirely different from the one you created above. (Be sure not to repeat digits!)

GeoGebra

Algebraically show why your setup above is valid. That is, show how your setup makes both equations true.