The graph below shows the number of houses sold over x days. What is the average rate of change from day 2 to day 10?
House Sales
Number of Houses Sold
(6,6)
(10,2)
10,0)
2
12
x
4 6 8 10
Number of Days
AWWA

-3/4 is the correct answer, B

Step-by-step explanation:

Use the coordinate points (2, 8) and (10, 2) because that's day 2 and day 10's coordinates. The formula to find average rate of change is y2-y1/x2-x1=m

(2-8)/(10-2)=m

-6/8=m

-3/4=m

The average rate of change from day 2 to day 10 is -3/4.

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