Definition:Parabola/Vertex

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Definition

ParabolaParts.png


Let $P$ be a parabola.

The vertex of $P$ is the point where the axis intersects $P$.


In the above diagram, $V$ is the vertex of $P$.


Also see

  • Results about vertices of conic sections can be found here.


Linguistic Note

The plural of vertex is vertices.

The word vertex is Latin for peak, from which the irregular plural form.


Sources