The equation of an ellipse is given. Put the equation in standard form and sketch the ellipse.(x + 1)2 + 4y2 = 4
A. 
+ y2 = 1
B. 
+ y2 = 1
C. (x + 1)2 + 
= 1
D. (x + 1)2 + 
= 1
Answer: B
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