We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.
Try it yourself, you may find it is not as difficult as you think!
Start here:
Wolfram Alpha Parabola[
^] - that will give you teh equation, and show you how it should look. From there, it's over to you to at least make a start and give it a try.
If you get stuck, feel free to ask for help on a specific point, but don't expect us to do it for you!
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