Difference between revisions of "Vertex"
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| − | Note that the plural form of the word "vertex" is the word "vertices;" the singular of "vertices" is "vertex," not "[[vertice]]." | + | Note that the plural form of the word [https://artofproblemsolving.com/wiki/index.php/TOTO_SLOT_:_SITUS_TOTO_SLOT_MAXWIN_TERBAIK_DAN_TERPERCAYA TOTO SLOT] "vertex" is the word "vertices;" the singular of "vertices" is "vertex," not "[[vertice]]." |
[[Category:Definition]] | [[Category:Definition]] | ||
Revision as of 17:03, 19 February 2024
There are multiple uses of the word vertex in mathematics, including uses in graph theory and multiple uses in geometry.
Contents
Vertex of a parabola
The vertex of a parabola is the midpoint of the line segment joining the focus of the parabola to the directrix that is perpendicular to the directrix. This line is the line of symmetry of the parabola. If the parabola lies in a Cartesian coordinate system as the graph of the equation 
then this line is vertical and the vertex is the point at which the 
-value of the graph is minimal (if 
) or maximal (if 
).
Vertex of an angle
See angle.
Vertex of a polygon or polyhedron
See polygon.
Vertex of a graph
See graph.
Note that the plural form of the word TOTO SLOT "vertex" is the word "vertices;" the singular of "vertices" is "vertex," not "vertice."
