Here is the problem: http://img22.imageshack.us/my.php?image=...
an answer is required for each box that you see, so could you please state what is supposed to go in each box.
i've been working on this problem for 2 hours but can't figure it out. i would be very grateful for some help.
You are given the information: and the co-ordinate . Putting this information into the equation and working out the value of will get you your equation (and the gaps to be filled).