Hi,

Note: the vertex form of a Parabola opening up(a>0) or down(a<0),
where(h,k) is the vertex and x = h is the Line of Symmetry
Parabola opens Upward, V(0,5) , y-axis the line of symmetry (x=0) (2,9) &(-2,9)are Pts on this parabola
Always good idea to sketch any curve
