Question 934156
the vertex form of a Parabola opening up(a>0) or down(a<0), 
{{{y=a(x-h)^2 +k}}}  V(h,k)
....
y = ax^2 + 8  V(0,8)
P(-3,125) Opens up
.......
125 = a(-3)^2 + 8
117/9 = a = 13
.......
y = 13x^2 + 8