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8th Grade Linear Models Worksheets

Ages 13-14 · Free previews · Print-ready PDFs

Written by Adi Ackerman, Head Teacher

A linear model is the equation of a line of best fit, written as y = mx + b, that describes how two quantities change together. There are 3 sheets for 8th grade here, and each has an answer key. Interpret Slope and Intercept of a Line of Best Fit asks what the numbers in y = 4x + 62 mean, Use a Linear Model to Make Predictions checks whether predictions make sense, and Write a Linear Model From a Scatter Plot builds equations from two points for apple trees, swimmers, a candle and cricket chirps.

More data & graphing worksheets

Explore all of our 8th grade data & graphing worksheets, covering scatter plots and lines of best fit, linear models, two-way tables.

Frequently Asked Questions

It tells how much y changes for each one unit increase in x, in the units of the problem. For a model of maple trees, y = 1.5x + 3, each year adds about 1.5 feet of height.

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