

1. 
For the equation , find the coordinates of the foci of the ellipse. 


A. 



B. 



C. 



D. 



Hint 


2. 
Write the equation x^{2} + 2y^{2} + 2x + 4y  1 = 0 in standard form. 


A. 



B. 



C. 



D. 



Hint 


3. 
Write the equation of the ellipse whose center is at the origin, a = 6, and . 


A. 
or 


B. 



C. 
or 


D. 



Hint 


4. 
The equation of an ellipse is find the center and the foci. 


A. 
(2, 1); 


B. 
(2, 1); 


C. 
(1, 4); (1, 1) and (1, 2) 


D. 
(4, 1); (1, 1) and (2, 1) 


Hint 


5. 
Write the equation x^{2} + 4y^{2} + 8x  8y + 16 = 0 in standard form. 


A. 



B. 



C. 



D. 



Hint 

