Here is a real-world application for systems of equations. When is it better to pay an enrollment fee and lower daily rate, and when is it better to pay the regular price? The local swim center is having a special offer, reductions in the price of the daily pass with an enrollment fee. It is up to your future consumers to determine when an initial fee makes a better deal by graphing two different equations. They will be able to see graphically when an enrollment fee is the better deal. The resource comes with commentary that suggests its use as an introduction to systems of equations or as an assessment. Either way, it is applicable to real life. The class will need graph paper and rulers to complete the assignment.

Additional Tags

simultaneous linear equations, real world algebra applications, two variable equations, math

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Pros

• Great demonstration of intersecting lines
• A real-word application that is able to be used as an assessment
• Aligned with the Common Core

Cons

• None

Common Core

8.EE.C.8.a MP2