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vertical

The direction of something that runs north to south or south to north.

Horizontal

Straight line across from side to side (length)

Symmetry

A plane figure that can be folded along a line so the two parts match.

Asymptote

An imaginary line on a graph that acts as a boundary line.

parameter

Number that describes a population

Variable

an alphabetic character representing a number, called the value, which is either arbitrary or not fully specified or unknown. It is usually a letter like x or y.

quadratic

a second degree equation or expression

inverse function

Let f be a one-to-one function with domain A and range B. Then its ________________ f^-1 has domain B and range A and is defined by f^-1 (y) = x, f(x)=y for any y in B

one-to-one function

A function where each element of the range is paired with exactly one element of the domain.

Domain

all of the input or x values in a function

Range

The difference between the greatest number and the least number in a set of data.