John Vezina

1. Comunidad
2. Study Group
3. Equalities and the quadratic formula.

Wow! Thank you so much. I'm a little rusty on breaking down the square roots, so I will google that process to get up to speed with it. I'm glad I did not get the quadratic formula wrong and I can ...

1. Comunidad
2. Study Group
3. Equalities and the quadratic formula.

Leo, Again thank you lots for your help, it is very much appreciated. You are right and I now know I made a mistake in thinking the two parabolas were exact reflections. If they were exact reflecti...

1. Comunidad
2. Feature Requests and General Site Feedback
3. Not having a reset button for unit tests....

I agree that it is frustrating to have to do an entire unit test especially when you get the first question wrong. However, after some time with this frustration, I have decided that I do not mind,...