SOLUTION: Hi there! Well I was wondering if I could please get some help finding the center and foci of this hyperbola. It would be good if I could see the work so I could understand the

Question 734009: Hi there!
Well I was wondering if I could please get some help finding the center and foci of this hyperbola. It would be good if I could see the work so I could understand the problem better. (y + 2) ^ 2 /4 - x ^ 2 / 12 = 1
thank you so much!
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
where and are the coordinates of the center

, ,; so, the center is at (,)
...=> ....the semi-transverse axis is unit
long
...=> ...the semi-conjugate axis is units
long
focus:

and .....The foci are units right and left of the center:
(,)=(,)
and (,)=(,)

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