Anne runs at a constant rate. The table shows the distance she traveled at specific times during her run.
What is the slope of the line that represents Anne’s speed?
Anne’s Speed
Minutes 5 10 15 20
Distance (mi) 0.625 1.25 1.875 2.5
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OpenStudy (anonymous):
Can comeone explain
OpenStudy (anonymous):
someone*
OpenStudy (danjs):
They tell you it is a line already, so...
OpenStudy (danjs):
constant rate = linear
OpenStudy (danjs):
you need to use 2 of the data points and find the change
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take the two points to be
(5 , 0.625) and (10, 1.25)
OpenStudy (anonymous):
is the slope -10.2
OpenStudy (danjs):
slope = difference in the miles / difference in the time
OpenStudy (danjs):
\[slope = \frac{ 1.25 - .625 }{ 10-5 }\]
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OpenStudy (anonymous):
-10.2
OpenStudy (danjs):
0.625 / 5 or about 0.125
OpenStudy (danjs):
the slope is 0.125 miles per minute
OpenStudy (anonymous):
oh
OpenStudy (anonymous):
i forgot about the 10 sorry
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OpenStudy (anonymous):
thanx Dan
OpenStudy (danjs):
no prob, if they give you a table of values, and ask for the slope
Just take the difference in the Y values divided by the difference in teh X values, in this case it was miles and minutes