Find the focus and the directrix of the parabola.x2 - 4x - 4y - 4 = 0

A. Focus: (2, -1); directrix: y = -3
B. Focus: (2, -3); directrix: y = -1
C. Focus: (2, -1), directrix: y = - 
D. Focus: (2, 2); directrix: y = 6


Answer: A

Mathematics

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