Answers JHHS LA-Algebra I Slope of a LineQuestion 9

9

QuizMultiple Choice

Slope of a Line

Question 9 • JHHS LA-Algebra I

At work, Brett must check and record the internal temperature of the freezer on an hourly basis. When working properly, the temperature should remain constant over time. What word describes the slope of a line showing the temperature of the freezer as a function of time in hours when the freezer is working properly?

Answer

A

positive

B

zero

C

negative

D

undefined

Explanation

When the freezer is working properly, its temperature remains constant as time passes. A graph of a constant temperature is a horizontal line, and a horizontal line has slope zero. Therefore, the correct choice is zero.

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