Line Graphs

Front

What does it mean when the line on a graph is slanted upwards?

Back

The graph is increasing.

Front

What is the main purpose of a line graph?

Back

To show trends over time.

Front

How do you determine the total number of items sold on specific days from a line graph?

Back

By adding the values represented on the graph for those days.

Front

What does it mean when the line on a graph is slanted downwards?

Back

The graph is decreasing.

Front

What is the independent variable in a line graph?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

Front

What is the dependent variable in a line graph?

Back

The variable that is measured and affected in the experiment.

Front

How can you tell if a line graph is showing a steady trend?

Back

The line remains horizontal, indicating no change over time.

Front

What type of data is best represented by a line graph?

Back

Continuous data that shows changes over time.

Front

What does a steep slope in a line graph indicate?

Back

A rapid change in the value of the dependent variable.

Front

What does a flat line in a line graph indicate?

Back

The value of the dependent variable is constant over time.