(Thursday) Proportional relationships, lines, and linear equations.
by Lonnie Myers
| 4 Questions
Note from the author:
Analyze and describe linear relationships between two variables, using slope.
Complete the table below with the number of minutes it took for 9 centimeters of rain to fall and the number of centimeters of rain that fell through 150 minutes.
Show your work
Write an equation to describe the relationship between the time (t), in minutes, and the amount of rain (r), in centimeters.
Describe the change in the slope between the first 180 minutes and the following 100 minutes, and explain what it means in terms of the total amount of rainfall.
After 280 minutes, the slope of the graph is 0. Explain what a slope of 0 means in this situation.
Pa Department of Education.
2016 Mathematics ADA Compliant Item and Scoring Sampler Grade 8
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