Distance Beetween two points

Today I did some accelerated math. We learned to use the pythagorean relationship to find distance. I get the fomula but not where we get X andY squared/

Factoring

Today mental math was good, got 4 out of 5. I tried homework but I didn't get it in grade 9 we did something like it but it was a little different. We did difference of square factors today and this is what we did in grade 9 math. I don't get what we learned yesterday though. After Mr. m explained it i get it now so i can get it done tonight.

Ways to Factor

Today we learned how to factor polynomials (I was writing a test for most of it though). Most of it was review from last year but some of it was new. i think it will come back after a while.