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Line graphs compare two variables. Each variable is plotted along an axis . A line graph has a vertical axis and a horizontal axis. So, for example, if you wanted to graph the height of a ball after you have thrown it, you could put time along the horizontal, or x-axis, and height along the vertical, or y-axis.

A Bar Graph (also called Bar Chart) is a graphical display of data using bars of different heights.

Circle graphs, also called pie charts are used to show how the whole of something is divided into parts.


Can you find the circle graph?

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Q: What is the purpose of a line graph bar graph and circle graph?
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