Graph the ellipse and locate the foci.9x2 + 4y2 = 36
A. foci at (2, 0) and (-2
, 0)
B. foci at (0, ) and (0, -
)
C. foci at (, 0) and (-
, 0)
D. foci at (, 0) and (-
, 0)
Answer: B
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