Find the standard form of the equation of the following conic section.center (-9, 0); r = 

A. (x + 9)2 + y2 = 3
B. (x + 9)2 + y2 = 9
C. (x + 9)2 + y2 = 
D. (x - 9)2 + y2 = 3


Answer: A

Mathematics

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