We often see math applied to the real world through word problems, and the applications of linear equations are seen throughout all our math courses after Algebra. To understand applications of linear equations we need to have an understanding of slope, how to interpret a graph, and how to write an equation. In upper-level Algebra, we apply systems of linear equations to these problems as well.
Sample Problems (3)
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"Pump-U-Up" Gym charges a $100 enrollment free, plus $35 per month to be a member. Write an equation that represents the cost as a function of the number of months enrolled. Make a table of values and draw the graph.
A hot air balloon is 200 feet up and descending at a rate of 10 feet every 3 minutes.
A scuba diver is 400 feet below sea level and raising at a rate of 4 feet every 3 seconds.