The average number of students per classroom at Central High School from 2000 to 2010 can be modeled by the equation y=0.56 x+27.2, where x represents the number of years since 2000 , and y represents the average number of students per classroom. Which of the following best describes the meaning of the number 0.56 in the equation?
A
The total number of students at the school in 2000
B
The average number of students per classroom in 2000
C
The estimated increase in the average number of students per classroom each year
D
The estimated difference between the average number of students per classroom in 2010 and in 2000
Source: Questions from the AGIEval benchmark's SAT subsets, derived from pre-2016 College Board SAT exams.
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These items follow the pre-2016 paper SAT format and do not reflect the current digital SAT. Useful as a benchmark set, not as current test preparation.
id agieval_sat:678be545aafd81ff5472c3384db8ccb7
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