4.3 Line Graphs

Front

What is a line graph?

Back

A line graph is a type of chart that shows information as a series of data points called 'markers' connected by straight line segments. It is used to display data that changes over time.

Front

What does a line graph typically show?

Back

A line graph typically shows trends over time, allowing us to see how a quantity increases or decreases.

Front

How do you read a line graph?

Back

To read a line graph, look at the x-axis (horizontal) for the time or category and the y-axis (vertical) for the value. Follow the line to see how the value changes.

Front

What is the x-axis in a line graph?

Back

The x-axis is the horizontal line on a graph that usually represents time or categories.

Front

What is the y-axis in a line graph?

Back

The y-axis is the vertical line on a graph that usually represents the quantity or value being measured.

Front

What does it mean if a line on a graph is going up?

Back

If a line on a graph is going up, it means that the value is increasing over time.

Front

What does it mean if a line on a graph is going down?

Back

If a line on a graph is going down, it means that the value is decreasing over time.

Front

What does it mean if a line on a graph is flat?

Back

If a line on a graph is flat, it means that the value is staying the same over time.

Front

How can you find the highest point on a line graph?

Back

To find the highest point on a line graph, look for the peak of the line where it reaches its highest value.

Front

What is a data point in a line graph?

Back

A data point is a specific value plotted on the graph, representing a measurement at a certain time or category.