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# LINEAR EQUATIONS!!!

linear equations???
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on 16 June 2010

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#### Transcript of LINEAR EQUATIONS!!!

LINEAR EQUATIONS CONCEPT in mathematics a linear equation is any equation that when graphed produces a straight line!
words pics real life example Just about everyone has a cell phone, and most rate plans are a linear function of some kind. Let's take a look at a basic example that is a real-life application of a linear equation. If you pay 20 dollars a month for your cell phone and 5 cents per minute of usage the monthly cost of using your cell phone would be a linear equation of a function, C, the monthly cost based on the number of minutes you use monthly.

C = 0.05m + 20

You can see that your cost is 20 dollars plus five cents times the number of minutes you use your cell phone x,y intercept the point at which the line crosses the axis independent variable in a linear equation such as y=3x+2, x is the independent variable dependent variable in a linear equation such as y=3x+2, y is the dependent variable because it depends on the value of x slope the rise and run of a line
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