SOLUTION: Jim washes cars to make extra money. He made a graph of the number of cars he washed over 5 days. On the first day, Jim washed 5 cars, on the 2nd day he washed 7 cars, the th

Question 614428: Jim washes cars to make extra money.
He made a graph of the number of cars he washed over 5 days.
On the first day, Jim washed 5 cars, on the 2nd day he washed 7 cars, the third day he washed 9 cars, the fourth day he washed 11 cars and the fifth day he washed 13 cars.
If the points on Jim's graph form a linear pattern, what is the slope of the line?
A. -2
B. 1
C. 2
D. 3
Please explain, I really need help on this one!
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
2
there is a change in number of cars of 2 for every day
slope is the rate of change of y over the rate of change of x
x changes one every day y changes 2 every day
2/1
=
2

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