Category Archives: Algebra

Plotting Graphs from T-Tables

Posted on November 6, 2011 by Passy

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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Posted in Algebra, Graphs, Straight Line Graphs | Tagged , , , , , , , , , , , | 16 Comments

Plotting Graphs from Tables

Posted on November 6, 2011 by Passy

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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Posted in Algebra, Graphs, Straight Line Graphs | Tagged , , , , , , , , , | 15 Comments

Real World Line Graphs

Posted on October 30, 2011 by Passy

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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Posted in Algebra, Graphs, Math in the Real World, Straight Line Graphs | Tagged , , , , , , , , , , , | 29 Comments

The Cartesian Plane

Posted on October 30, 2011 by Passy

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

Equations Word Problems

Posted on October 20, 2011 by Passy

Image Source: http://content5.videojug.com Many word problems in Mathematics involve writing an equation and then solving it to obtain a number answer. First we need to know how to translate the words into Algebra. If you are not sure about how … Continue reading →

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Posted in Algebra, Equations, Word Problems | Tagged , , , , , , , , , , , | 5 Comments