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Big Ideas Math: Modeling Real Life, Grade 8

BI

Big Ideas Math: Modeling Real Life, Grade 8 View details

5. Analyzing and Sketching Graphs

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Exercise 1 Page 305

Calculate the rate of change between the data points.

Linear, see solution.

Practice makes perfect

We want to determine whether the given table represents a linear or nonlinear function. To do this, we will calculate the rate of change between data points.

table

We can see that as x increases by 4, y decreases by 2 each time. The rate of change is constant, so this function is linear.

Subchapter links

Try It p.302-303

Self-Assessment for Concepts & Skills p.303

Self-Assessment for Problem Solving p.304

Review & Refresh p.305

Concepts, Skills, & Problem Solving p.305-306