18 terms

absolute value function

A function written as f(x) = lxl, in which f(x) is greater than or equal to 0 for all values of x.

axis of symmetry

The vertical line containing the vertex of a parabola.

completing the square

To add a constant term to a binomial of the form x^2 + bx so that the resulting trinomial is a perfect square.

dilation

A transformation that alters the size of a figure but not its shape.

discriminant

b^2 - 4ac

double root

The roots of a quadratic function that are the same number.

greatest integer function

A step function where f(x) is the greatest integer less than or equal to x.

maximum

The highest point on the graph of a curve.

minimun

The lowest point on the graph of a curve.

parabola

The graph of a quadratic function.

piecewise-defined function

A function written using two or more expressions.

piecewise-linear function

A function written using two or more linear expressions.

quadratic function

An equation in the form y=ax^2+bx+c, where a cannot be 0.

reflection

A transformation where a figure, line, or curve is flipped across a line.

step function

A function with a graph that is a series of horizontal line segments.

transformation

A movement of a geometric figure.

translation

A transformation where a figure is slid from one position to another without being turned.

vertex

The maximum or minimum point of a parabola.