## iheartfood Group Title Which of the following correctly represents the coordinates of the foci of the ellipse attached? one year ago one year ago

1. iheartfood Group Title

2. iheartfood Group Title

answer choices A,B,C,D from top to bottom :) ***idk :( please explain! THanks :D

3. Hero Group Title

There's a great tutorial on this at purplemath.com

4. iheartfood Group Title

could you please explain this to me? :)

5. Hero Group Title

I'm not very good at explaining things.

6. iheartfood Group Title

so im not quite sure... but I'm thinking B or D right? :/

7. iheartfood Group Title

aww :( okay :/ but is it B or D? thats what i have simplified it down to so far...

8. Hero Group Title

You sound like you're guessing.

9. iheartfood Group Title

no I'm not cuz i remember a little bit... i got this: The denominator to y is 36, which is > than denominator of x which is 9... so its vertical right?? so you list the y first?? like this?? (y-4)^2/36 + (x+2)^2/9=1... idk am i on the right track so far??

10. iheartfood Group Title

does that look right to you so far??

11. Hero Group Title

I thought that was a minus, it's a plus, so yes, it will be either B or D.

12. iheartfood Group Title

kk :) so what i did so far is right? :D

13. Hero Group Title

At first, I thought it was $\frac{(x+2)^2}{9} - \frac{(y-4)^2}{36} = 1$

14. iheartfood Group Title

and the center is (-2, 4) right?? which leads me to either B or D... but idk how to find that last part :(

15. iheartfood Group Title

ohhh hhaa yeah its + :)

16. Hero Group Title

I looked at it wrong

17. iheartfood Group Title

haha yeah its all good =D

18. Hero Group Title

If you made it this far, you should be able to figure out which one it is between the two. I told you that you need to be more confident in your work rather than ask for confirmation every time you worked out a problem. When I was your age, I never asked for confirmation. I was always confident in my work.

19. Hero Group Title

I didn't use calculators either. I couldn't afford one when I was in HS.

20. iheartfood Group Title

oh yeah i just don't know what to do after that.. :(

21. iheartfood Group Title

can you please show me what to do from there?? idk what to do :(

22. Hero Group Title

I told you to review the tutorial on purplemath.com

23. iheartfood Group Title

i don't know where to find it though .... :( can u pls show me what to do from here?? :)

24. iheartfood Group Title

k so i found this link... http://www.purplemath.com/modules/ellipse2.htm is that it?? I'm reading on it and from that i think the answer is B.... is that it?? am i understanding that link correctly?? is it B?? :D @hero? :)

25. Hero Group Title

As I stated before, you should be more confident in your own work. I believe you're smart enough to understand this without having to constant beg me for confirmation.

26. iheartfood Group Title

okay... well i didn't know this one :( could u pls tell me if i got it right?? =)

27. iheartfood Group Title

but the tutorial helped a bit... did i get it?? is it B? :O

28. Hero Group Title

I'm not going to answer that question.

29. iheartfood Group Title

okay :) thanks for your help though @Hero!! :) It's much appreciated :)