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Which of the following equations is of a parabola with a vertex at (1,2)

User Thadeuse
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Answer:

(x - f_x)^2 + (y - f_y)^2 = (f_x^2 + (x - 3) f_x + f_y^2 + (y - 6) f_y - x - 2 y + 10)^2/(f_x^2 - 2 f_x + f_y^2 - 4 f_y + 5)

Explanation:

Which of the following equations is of a parabola with a vertex at (1,2)-example-1
User Shruggie
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