Find the center, foci, and vertices of the ellipse.3x2 + 4y2 - 42x + 56y + 331 = 0

A.  +  = 1
center: (7, -7); foci: (8, -7), (6, -7); vertices: (9, -7), (5, -7)
B.  +  = 1
center: (-7, 7); foci: (-6, 7), (-8, 7); vertices: (-9, 7), (-5, 7)
C.  +  = 1
center: (7, -7); foci: (8, -7), (6, -7); vertices: (9, -7), (5, -7)
D.  +  = 1
center: (-7, 7); foci: (-6, 7), (-8, 7); vertices: (-9, 7), (-5, 7)


Answer: C

Mathematics

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Mathematics