Hi,

parabola with the vertex (2,4)and foucs (5,4)

Opening Right, line of symmetry  y = 4

Sketch IT

  (5-2) = 3  a = 

 

the vertex form of a Parabola opening right(a>0) or left(a<0), 

 where(h,k) is the vertex and  y = k  is the Line of Symmetry





 

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