Question 857856: Find the vertex, focus, and directrix of the parabola given by the equation x^2 + 4x + 4y + 16 + 0 Answer by KMST(5328) (Show Source):
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is the equation of a parabola with the vertical axis of symmetry <--> ,
and the vertex at (-2,-3).
The focal distance is ,
and the focus and the rest of the parabola is below (-2,-3).