SOLUTION: Find the equation of the parabola with vertex at (2, -1) and directrix y+2=0. Sketch the graph.

Question 1170411: Find the equation of the parabola with vertex at (2, -1) and directrix y+2=0. Sketch the graph.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
That is directrix y=-2, and vertex (2,-1). These are 1 unit apart at their nearest points. Focus must be 1 unit above the vertex so focus is at (2,0). Do a quick sketch of these focus, vertex, and directrix. These indicate that vertex is a minimum.

You could form your equation based on .

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