Reading Graphs

Front

What is a line graph?

Back

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

Front

What does the x-axis represent in a graph?

Back

The x-axis is the horizontal axis in a graph, typically representing the independent variable.

Front

What does the y-axis represent in a graph?

Back

The y-axis is the vertical axis in a graph, typically representing the dependent variable.

Front

What is an independent variable?

Back

An independent variable is a variable that is manipulated or changed in an experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured or tested in an experiment, and it is affected by changes in the independent variable.

Front

How do you determine the scale of a graph?

Back

The scale of a graph is determined by the range of values on the axes and how they are spaced. It should be consistent and allow for clear representation of data.

Front

What is the purpose of a title in a graph?

Back

The title of a graph provides a clear description of what the graph represents, helping viewers understand the data being presented.

Front

What is a data point?

Back

A data point is a single value that represents a measurement or observation in a dataset, often plotted on a graph.

Front

How can you identify trends in a line graph?

Back

Trends in a line graph can be identified by observing the direction of the line: upward indicates an increase, downward indicates a decrease, and horizontal indicates stability.

Front

What is the significance of the intersection of two lines in a graph?

Back

The intersection of two lines in a graph indicates a point where the two variables are equal or where a relationship changes.