Discuss the equation and graph it.r =  

A. ellipse; directrix parallel to
the polar axis 4 units below pole
center 
vertices 


B. ellipse; directrix perpendicular to
the polar axis 4 units left of pole
center 
vertices 

C. ellipse; directrix perpendicular to
polar axis 4 units right of pole
center 
vertices 

D. ellipse; directrix parallel to 
the polar axis 4 units above pole
center 
vertices 


Answer: A

Mathematics

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