Find the focus and the directrix of the parabola.y2 - 4x - 8y + 4 = 0

A. Focus: (-4, 4); directrix: x = -2
B. Focus: (-2, 4); directrix: x = -4
C. Focus: (-4, -3); directrix: y = -2
D. Focus: (1, -3); directrix: y = 7


Answer: B

Mathematics

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