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Name _____________________________
Date ___________________

Conics
(Answer ID # 0785332)
Write the standard equation of each ellipse. Find the center, foci, vertices, and co-vertices of each ellipse.

1.  
7x2
9
  +  7y2  =    7  
2.  
490x2  +  90y2  -    4410    =    0  
3.  
2x2  +  8y2  -    32    =    0  
4.  
(x   -  3)2
49
  +  
(y   +  3)2
81
  =    1  
5.  
x2 + 4y2 + 8x - 8y + 16  =    0  
6.  
25x2 + y2 + 400x + 4y + 1579  =    0  
7.  
5x2
9
  +  5y2  +    8    =    28  
8.  
9x2
64
  +  
9y2
25
  +    10    =    19  
9.  
10x2
9
  +  10y2  -    90    =    0  
10.  
9x2 + 4y2 + 126x + 64y + 661  =    0  
11.  
176x2  +  99y2  =    1584  
12.  
x2
18
  +  
2y2
49
  -    2    =    0  

 

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