October 2009 Math Discussion

percyshelley
Sat, 10 Oct 2009 13:22:48 +0000

I’ll start:

Did anyone get a section with a question like “the point (0,0) is rotated 180 degrees clockwise around point P. The point it creates is (a,-a)…”?

It had grid-ins later, too.

Was that an experimental section?