SOLUTION: (x-4)^2=8(y+3) whats its focus, vertex, and directrix?

Question 981054: (x-4)^2=8(y+3)
whats its focus, vertex, and directrix?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
A derivation for a parabola equation with horizontal axis of symmetry can be shown as . If moved from standard position, the equation is of a form, with vertex (h,k). The distance from vertex to either focus or directrix is |p|.

Review the formal descriptive definition of a parabola and associated terminology.

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The vertex for your parabola is (4,-3) and the parabola is concave upward.
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