posted by Bobby .
a. Express f(x)=x^2 - 6x + 14 in the form f(x)=(x-h)^2 + k, where h and k are to be determined.
b.Hence, or otherwise, write down the coordinates of the vertex of the parabola equation y=x^2 - 6x + 14.
f(x) = x^2 - 6x + 9 + 5
= (x-3)^2 + 5