Hi, 

Write the equation of the quadratic function with roots 6 and 10 and a vertex at (8, 2).

Using the vertex form of a parabola,  where(h,k) is the vertex

 y = a(x-8)^2 + 2

 0 = a(-2)^2 + 2

 -2/4 = a = -1/2

 y = (-1/2)(x-8)^2 + 2 

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