Question 2467
 Since the turning point (vertex) is (7,3), assume the quadratic equation 
 as: y - 3 = k(x-7)^2.

 Next, since it passes through (6,8), we have
 8 - 3 = k(6-7)^2 = k, or k = 5.

 The equation is y - 3 = 5(x-7)^2.

 Kenny