Linear Function Models 8.F.B.4 Grade Practice Test Questions TOC | Lumos Learning

Linear Function Models 8.F.B.4 Question & Answer Key Resources Grade 8 Mathematics - Skill Builder + KSA Practice

Grade 8 Mathematics - Skill Builder + KSA Practice Linear Function Models

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A trainer for a football team keeps track of the amount of water players consume throughout practice. The trainer observes that the amount of water consumed is a linear function of the temperature on a given day. The trainer finds that when it is 90°F the players consume about 220 gallons of water, and when it is 76°F the players consume about 178 gallons of water. Fill in the value of m in the function : y = mx - 50. Type the number only in the box.

y = ___ x - 50

Resource: Question

Question Type: Numeric Answer

Standard(s):8.F.B.4

Standard Description: Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values.

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