I learned it in high school in year 12 (grade 11 for ameritards), but actually deriving the quadratic formula I don't think is taught in high school (I dropped out).
Veeky Forums cringe thread
Lucas Edwards
Julian Harris
Yeah, there is a bit more of a difference than one is aerobic and the other anaerobic.
Carter Rivera
geeeezz, even if he could, it would not prove his mathskills
Mason Flores
You are memeing, right? I completed the square in 10th grade in the US.