I just bought that car, how can its value decrease already? Individuals use the data of a depreciating car value to create an exponential decay model. They then compare exponential decay and growth equations.

Concepts

exponential decay, exponential models

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Additional Tags

math

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Instructional Ideas

• Use collaborative groups to encourage discussion and independence
• Create graphs of the data and equation models to make comparisons with exponential decay

Classroom Considerations

• Presumes an understanding of exponential growth models

Pros

• The exponential decay model is developed through data analysis
• All handouts, keys, and a detailed teacher guide are included

Cons

• None

Common Core

HSF-IF.A.1 HSF-IF.A.2 HSF-IF.A.3 HSF-IF.B.6 HSF-BF.A.1.a HSF-LE.A.1.a HSF-LE.A.2 HSF-LE.A.3 MP4