Category Archives: Straight Line Graphs

Plotting a Line Using a Rule Table

In this lesson we look at plotting linear graphs using a values table. We have to make our own values table from an Algebra Rule that is given to us. The rule always tells us how to calculate any y … Continue reading

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Plotting Graphs from T-Tables

The above diagram contains a values table of (x,y) coordinates that is arranged vertically down the page. This is called a “T-Table” because its shape with the x and y headings at the top resembles the letter “T”. We can … Continue reading

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Plotting Graphs from Tables

The above diagram is a values table of (x,y) coordinates. Our objective is to plot these points onto the Cartesian Plane. If you are not familiar with plotting (x,y) points onto an X-Y Grid, then click the link below to … Continue reading

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Real World Line Graphs

Image Source: http://www.flickr.com Straight Line Graphs play an important part in our modern lives. They are used extensively in Sales and Marketing, Economics, Business, Psychology, Science and Medicine. Here is a Graph from a medical study of infertility that has … Continue reading

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The Cartesian Plane

Image Source: http://fc05.deviantart.net In the above picture we have a pier going out at right angles from the horizontal coastline. We could walk away from where the man and his boat are, to many different locations, by wading out into … Continue reading

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Posted in Algebra, Graphs, Straight Line Graphs | Tagged , , , , , , , , , , | 22 Comments