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Massachusetts Comprehensive Assessment System



MCAS QUESTION OF THE DAY:

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2014 Spring Release, Mathematics - Grade 8
Download PDF Document Question 12 - Multiple-Choice

Reporting Category: Functions
Standard: Mathematics.8.F.2.04 - 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.

Calculator
The graph below shows the temperature, in degrees Fahrenheit, of a liquid for the first ten minutes of a heating experiment.
The graph title is Heating Experiment. The x-axis label is Minutes and the y-axis is labeled Temperature, in degrees Fahrenheit. The line starts at 0, 40, and ends midway between 10, 80 and 10, 100.
Based on the graph, which expression could be used to calculate the temperature of the liquid after m minutes?
 
 
 

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Last Updated: April 16, 2019
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