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Quadratic Equation

An equation in the form y = ax^2 + bx + c, an equation of degree two (the highest exponent of a variable is two)

Parabola

The graph of a quadratic equation; it is in the general shape of a "U", the graph of a quadratic function.

Minimum (on a graph)

The lowest point of a parabola

Maximum (on a graph)

The highest point of a parabola

Vertex

The coordinates of the minimum or maximum on a parabola. It is at the point (h, k).

Axis of symmetry

A line that divides a figure in half so that each half is the mirror image of the other

Standard form of a quadratic

The form of a quadratic equation where you use a, b and c.

Vertex Form of a Quadratic

The form of a quadratic equation where you use a, h and k.

Roots of a Quadratic Equation

The solutions of a quadratic equarion and the related x-intercepts. Where the quadratic crosses the x-axis.