Riley ran the fastest during the time interval [2, 11] because the slope of the distance versus time graph in this interval is steeper, indicating a greater distance covered per minute compared to the interval [0, 8]. A steeper slope represents a higher speed.
Question
Use the image to answer the question.
A coordinate plane for distance versus time.
Riley is training to run a 5-mile race. The graph represents the distance (miles) she ran with respect to time (minutes) in her first training run. Over which time interval did she run the fastest, [0,8]
or [2,11]
? Justify your answer in 1–2 sentences.
(2 points)
Short Answer Rubric (2 points)
Points Awarded Criteria
2
The answer is very clear.
The answer is fully supported by details.
There may be a few errors in grammar, usage, or mechanics. Errors do not interfere with meaning.
1
The answer is somewhat clear.
Details are weak or not related.
There are some errors in grammar, usage, and mechanics. Errors interfere with meaning.
0 The question is not answered.
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