Hi,

 y = (x+4)^2

I. A parabola opening Upward

II. V(-4,0) 

III.  Line of symmetry is x = -4



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

 

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