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Which of the following is the equation of the ellipse with a vertical major axis, center at (-4, 6), a = 5, and b = 2? O ( x- 4) (1 + 6)2 25 4 0 ( x+ 4) (-6)2 25 = 1 4 O(y- 6) ( x+ 4)2 25 = 1 4 O ( )+ 6) (x -4) 2 25 =1 4