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Help with linear equations?
It's a word problem, as follows:
A small college had 2550 students in the year 2000 and 3075 students in the year 2007. Assume the enrollment follows a linear growth pattern.
a. Write a linear equation giving the enrollment E in terms of the year t where t=0 corresponds to the year 2000.
b. Use the linear equation to predict the enrollment in 2009.
I have no idea where to begin.
1 Answer
- ?Lv 48 years agoFavorite Answer
Linear growth for enrollment E would have the form E=m t +b where t is time and m,b are slope and offset.
Then you are given that at t=0 E=2550
So 2550=b
And 3075 = m *7 years + 2550
Solve for m and write out the equation.
Then plug in t=9 and find E(9).