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help please

 Oct 28, 2019
 #1
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+1

The center  is  (1, -2)

 

The major axis is  vertical  so  a^2  = 9   

The minor axis is horizontal so b^2  = 4

 

The focal distance  =  c  = √[a^2 - b^2 ]  =  √  (9 - 4)  =  √ (5)

 

So....the foci are located at

 

( 1, -2 ±√5 )

 

 

 

cool cool cool

 Oct 28, 2019

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