Question 595951
vertex form of a quadratic is ___ y = a(x - h)^2 + k ; where (h,k) is the vertex


y = a(x - 0)^2 + 1


9 = a(3)^2 + 1 ___ 8 = 9a ___ 8/9 = a


y = (8/9)x^2 + 1