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December 20, 2014

December 20, 2014

Posted by **PLEASE HELP!** on Monday, May 7, 2012 at 9:07pm.

Vertices: (0,7) (0,-7)

foci: (0,2) (0,-2)

- Ajay ? ---- Math -
**Reiny**, Monday, May 7, 2012 at 9:33pmIf this is Ajay , please don't switch names

this is a routine question

looks like (0,0) is the centre

a = 7 , and c = 2

we know

b^2 + c^2= a^2

b^2+ 4 = 49

b^2= 45

x^2 /49 + y^2 / 45 = 1

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