Question 187456
y-k=a(x-h)^2



Vertex(3,2) ----> y-2=a(x-3)^2



contains the point (1,3) 


----> 3-2=a(1-3)^2


----> 1=4a


----> a=1/4





Equation: *[Tex \LARGE y-2=\frac{1}{4}\left(x-3\right)^2]