. Grade 8, Illustrative icon

Modeling with a Linear Function

Illustrative MathematicsVaries

PURPOSE: The primary purpose of this task is to elicit common misconceptions that arise when students try to model situations with linear functions. This task, being multiple choice, could also serve as a quick assessment to gauge a class' understanding of modeling with linear functions. This is mistake opens up an opportunity to discuss the importance of labeling a variable and of reading phrases in their entirety.

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