SOLUTION: The average annual tuition and fees at all 4-year institutions in the US in 2002 was $12,160 and in 2009 was $ 20,002. Let y be the average tuition and fees in the year x, where x

Algebra ->  Linear-equations -> SOLUTION: The average annual tuition and fees at all 4-year institutions in the US in 2002 was $12,160 and in 2009 was $ 20,002. Let y be the average tuition and fees in the year x, where x      Log On


   

Question 1085212: The average annual tuition and fees at all 4-year institutions in the US in 2002 was $12,160 and in 2009 was $ 20,002. Let y be the average tuition and fees in the year x, where x = 0 represents the year 2002. Write a linear equation, in slope-intercept form, that models the growth in average tuition and fees at all 4-year institutions in the US in terms of the year x.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The average annual tuition and fees at all 4-year institutions in the US in 2002 was $12,160 and in 2009 was $ 20,002. Let y be the average tuition and fees in the year x, where x = 0 represents the year 2002. Write a linear equation, in slope-intercept form, that models the growth in average tuition and fees at all 4-year institutions in the US in terms of the year x
You are given 2 points:: (0,12160) and (7,20002)
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slope = (20002-12160)/7 = 7842/7 = 1120.29
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Note:: (0,12160) is the y-intercept
Equation:: y = 1120.29x + 12160
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Cheers,
Stan H.
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