f(x) = ax^2 + bx + c - or - y = ax^2 + bx + c

Highest or lowest point on the graph of a quadratic function.

Shape of the graph of a quadratic function.

Where the graph touches the x-axis.

Where the graph touches the y-axis.

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Quadratic Functions

Term	Definition
Quadratic Function	f(x) = ax^2 + bx + c - or - y = ax^2 + bx + c
Vertex	Highest or lowest point on the graph of a quadratic function.
Parabola	Shape of the graph of a quadratic function.
X-Intercept	Where the graph touches the x-axis.
Y-Intercept	Where the graph touches the y-axis.
Maximum	Highest point on the graph
Minimum	Lowest point on the graph