Question

An arctic cold front is moving through an area. It is 37degreesF when the temperature begins to drop. The scatter plot suggests a linear relationship between the temperature and the number of hours since the cold front arrived. Use the scatter plot to answer parts adashc.
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Part 1
a. What does the rate of​ change, or​ slope, represent in this​ situation?
A.
The slope describes the change in temperature for every hour after the cold front arrives.
This is the correct answer.B.
The slope describes the final temperature of the area after the cold front.
C.
The slope describes the change in temperature for every 10 hours after the cold front arrives.
Your answer is not correct.D.
The slope describes the temperature of the area when the cold front arrives.
Part 2
b. What is the​ y-intercept for the trend​ line, and what does it​ represent? Select the correct choice below and fill in the answer box within choice.
​(Type an integer or a​ decimal.)
A.
The​ y-intercept is
  
enter your response here and describes the final temperature of the area after cold front.
B.
The​ y-intercept is
  
enter your response here and describes the change in temperature for every hour after the cold front arrives.
C.
The​ y-intercept is
  
enter your response here and describes the temperature of the area when the cold front arrives.
D.
The​ y-intercept is
  
enter your response here and describes the change in temperature for every 10 hours after the cold front arrives.

Answer 1

Part a.
A. The slope describes the change in temperature (degrees F) for every hour after the cold front arrives.

Part b.
C. The y‑intercept is 37 and describes the temperature (37°F) of the area when the cold front arrives.