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Name _____________________________
Date ___________________

Conics
(Answer ID # 1021538)
Find the foci, vertices, and co-vertices of each ellipse.

1.  
x2
121
  +  
y2
36
  =    1  

2.  
x2
144
  +  
y2
196
  =    1  

3.  
x2
16
  +  
y2
64
  =    1  

4.  
x2
144
  +  
y2
9
  =    1  

5.  
x2
100
  +  
y2
25
  =    1  

6.  
x2
4
  +  
y2
9
  =    1  

7.  
x2
81
  +  
y2
25
  =    1  

8.  
x2
1
  +  
y2
4
  =    1  

9.  
x2
25
  +  
y2
9
  =    1  

10.  
x2
1
  +  
y2
49
  =    1  

11.  
x2
16
  +  
y2
4
  =    1  

12.  
x2
1
  +  
y2
225
  =    1  

13.  
x2
16
  +  
y2
256
  =    1  

14.  
x2
169
  +  
y2
36
  =    1  

15.  
x2
9
  +  
y2
36
  =    1  

16.  
x2
25
  +  
y2
256
  =    1  

17.  
x2
121
  +  
y2
100
  =    1  

18.  
x2
36
  +  
y2
1
  =    1  


 


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