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Posted by markr on 1/11/2009, 10:32 pm, in reply to "Re: Vertex Fun"
The vertex for parabolas in the form that Denis has provided is the minimum or maximum point of the parabola. The x-coordinate is simple. The y-coordinate can be computed by substituting the x-ccoordinate into the parabola's equation. From there, it is just plugging those values into the distance equation.
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