Proportional, Nonproportional and Functions Vocabulary

Front

An input-output relationship that has exactly one output for each input is called a _____

Back

function

Front

A linear equation written in the form y=mx+b, where m represents the slope and b represents the y-intercept.

Back

Slope-intercept form of an Equation

Front

A table of ordered pairs that represent solutions of a function.

Back

Function Table

Front

A function whose graph is a straight line.

Back

Linear Function

Front

A relationship between two variables in which the data do not increase or decrease together at the same rate.

Back

Nonlinear Relationship

Front

A relationship where the ratio of the two variables is constant.

Back

Proportional Relationship

Front

A function that does not have a constant rate of change.

Back

Nonproportional Function

Front

The value that represents the steepness of a line in a linear equation.

Back

Slope

Front

The point where a line crosses the y-axis in a graph.

Back

Y-intercept

Front

A mathematical expression that shows the relationship between two variables, often written as y = f(x).

Back

Function Notation