The function has a minimum value of 6 at x = 4.
I know that part of the equation will be , though I have no idea how to get . The answer is " ; answers may vary". The only thing I can think of would be to create a table of values to input an and value. Though I am unsure of how to do that. Any suggestions?
Here's a video explanation: YouTube - Focus and Directrix of a Parabola 2