We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
47
1
avatar+155 

help please

 Oct 28, 2019
 #1
avatar+104932 
+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

31 Online Users

avatar