Back to Use the equation of a linear model to solve problems in the context of bivariate measurement data — Problem 4 · Task Set 32

Exercises: Linear Models -- Equation, Slope, Intercept, and Predictions

Work through each section in order. For interpretation problems, use complete sentences with units and the phrase "associated with" rather than "causes."

Grade 8·27 problems·~35 min·Common Core Math - Grade 8·container·8-sp-a-3
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Fluency Practice

1.

A model relating a car's age in years (xx) to its resale price in thousands of dollars (yy) is y=1.8x+28y = -1.8x + 28. Interpret the slope in context, including what the negative sign means.