Determining relationships is all part of algebra and functions. Your mathematicians will decide the type of relationship between airports and population and translate what the slope and y-intercept represent. The problem is multiple choice and provides several answer selections for them to chose from as well as one fill in the blank. This activity can be used after the Delivering the Mail lesson which practices linear functions in a similar fashion. 

Concepts

linear functions, functions, linear graphs, linear equations, scatter plots, graphs

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Additional Tags

scatter plot, linear association, linear graph, linear function, interpret an equation, math

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Pros

• Takes a close look at how slope and y-intercept represent the situation
• Designed for Common Core State Standards in math
• Provides commentary of the solution

Cons

• None

Common Core

8.SP.A.3 MP2 MP4