Math 8 Functions Test Review

Front

What is the Domain of a function?

Back

The set of all possible input values (x-values) for a function.

Front

What is the Range of a function?

Back

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

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

How can you determine if a set of points represents a function?

Back

Check if any x-value is repeated with a different y-value.

Front

What does the graph of a function look like?

Back

It passes the vertical line test; no vertical line intersects the graph more than once.

Front

What is the slope-intercept form of a linear equation?

Back

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x; it indicates the steepness of the line.

Front

What is the y-intercept of a function?

Back

The point where the graph intersects the y-axis (x=0).

Front

What is the difference between a function and a non-function?

Back

A function has one output for each input; a non-function has at least one input with multiple outputs.

Front

What is a linear function?

Back