Mastery of parabolas is essential for math on the ACT and SAT. For parabolas, vertex is (h,k) for y=a(x-h)^2 + k form; for y=ax^2+bx+c form vertex is x= -b/2a
Mastery of parabolas is essential for math on the ACT and SAT. For parabolas, vertex is (h,k) for y=a(x-h)^2 + k form; for y=ax^2+bx+c form vertex is x= -b/2a