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## PowerPoint Slideshow about ' Creating a Line Graph' - hayden

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### Creating a Line Graph

A step by step guide

Creating a Line Graph

Using the following data we will show how to draw a line graph.

It is normal to place the variable quantity, in this case the temperature, on the y-axis.

Notice that the temperature ranges from -10 oC to 23 oC, this means that we will have to draw the y-axis to include negative values

Creating a Line Graph

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The first co-ordinate is at zero seconds and the temperature is -10oC (0,-10), let’s mark it with a cross.

Lastly, add a title

The second co-ordinate is 10,-5, again we will mark it with a cross.

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Now repeat for all the other data, and draw a line to connect the points

Now you try an example

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Temperature (oC)

As we have seen previously, we first need to draw vertical and horizontal axes, and insert the scales, in this case there are negative quantities, we therefore need to extend the y-axis below the line of the x-axis

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Next we add the x and y axes labels

Time (s)

-5

-10

Creating a Line Graph

Draw a line graph of the following data showing how much weight a person lost on a diet

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