The highest point or the lowest point of a graph.
When not talking about math, it usually means the highest point only.
Plural form: VERTICES
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Back

Quadratic

Front

A relationship between two variables that can be written in the form ax^2 + bx + c = 0.
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Back

Coefficient

Front

A number that is multiplied by a variable

Back

X-intercept

Front

(Can also be called a ROOT and a ZERO)
The point where the graph touches the x-axis. At this point the value of y coordinate is zero. A graph often has more than one x-intercept.
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Back

Y-Intercept

Front

The point where the graph touches the y-axis. At this point the value of the x-coordinate is zero.
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Back

Axis of Symmetry

Front

A vertical line that splits a graph into two parts that are mirror images of each other.
Some examples of equations for an axis of symmetry are x = 3, x = -4, or x = 0.
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Back

Range

Front

The set of all possible y values. It is also known as the set of all possible values of the dependent variable. We can talk about the range of a word problem, the range of a graph, or the range of a table.

Back

Parabola

Front

The name for the shape of the curve that is made by a quadratic relationship.
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Back

Minimum

Front

Smallest or lowest point
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Back

Domain

Front

The set of all possible x values. It is also known as the set of all possible values of the independent variable.
We can talk about the domain of a word problem, the domain of a graph, or the domain of a table.