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The table below shows the velocity y, in miles per minute, of a toy car at different times x, in minutes:



Time (x)

(minutes) 10 20 30 40

Velocity (y)

(miles) 0.2 0.8 0.1 0.4


Part B: What is the value of the slope of the graph of velocity versus time between 10 minutes and 20 minutes, and what does the slope represent? (3 points)

Verified Answer :

The value of the slope of the graph of the velocity versus time between 10 minutes and 20 minutes would be .06. I got to this answer by getting the changes in the rise (y) over run (x) of the table:

slope = y2- y1 / x2-x1
= .8-.2 / 20-10 mi / min
= .6 / 10 min
= .06 

Then for the follow up question, the slope represents the distance traveled of the toy car (in miles). 


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