Parts of Graphs

Front

What is the x-axis in a graph?

Back

The horizontal line in a graph that represents the independent variable.

Front

What is the y-axis in a graph?

Back

The vertical line in a graph that represents the dependent variable.

Front

What does the origin of a graph represent?

Back

The point where the x-axis and y-axis intersect, represented as (0,0).

Front

What is a coordinate in a graph?

Back

A pair of numbers (x, y) that define a point's position on the graph.

Front

What is a linear graph?

Back

A graph that represents a linear relationship between two variables, forming a straight line.

Front

What is the slope of a line?

Back

The measure of the steepness of a line, calculated as the rise over run.

Front

What does a positive slope indicate?

Back

As the x-value increases, the y-value also increases.

Front

What does a negative slope indicate?

Back

As the x-value increases, the y-value decreases.

Front

What is a function in terms of graphing?

Back

A relationship where each input (x-value) has exactly one output (y-value).

Front

What is a vertical line test?

Back

A method to determine if a graph represents a function; if any vertical line crosses the graph more than once, it is not a function.