The scatter plot shows data related to the number of oil changes a car owner gets per year and the amount of money, in dollars, the owner spends on repairs during that year. The equation of the line of best fit is y=−99x+725
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the x-axis is labeled number of oil changes per year. the y-axis is labeled cost of repairs per year. there are several points plotted and a line
Question
Complete this statement about the slope.
In a given year, for each oil change the owner gets, the amount spent on repairs ____________.
Responses

increases by $99
increases by 99 dollars

decreases by $99
decreases by 99 dollars

increases by $725
increases by 725 dollars

decreases by $725