Functions Vocabulary

Front

What does the Vertical Line Test determine?

Back

If a relation is a function.

Front

What is the set of first numbers of the ordered pairs in a relation called?

Back

Domain.

Front

What is one of the four sections that divide the coordinate plane called?

Back

Quadrant.

Front

What is the x-value of an ordered pair called?

Back

x-coordinate.

Front

Which term best describes any set of ordered pairs?

Back

Relation.

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the range of a function?

Back

The set of all output values (y-values) of a function.

Front

What is an ordered pair?

Back

A pair of numbers (x, y) that represent a point on the coordinate plane.

Front

What does it mean for a function to be linear?

Back

It means the graph of the function is a straight line.

Front

What is the y-intercept of a function?

Back

The point where the graph intersects the y-axis.