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SAT Prep

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Questions 7

Answers

1
Based on the graph, which of the following best describes the general trend in music album sales from 1997 to 2009?
Sales generally increased each year since 1997.
Sales generally remained steady from 1997.
Sales generally decreased each year since 1997.
Sales increased until 2000 and then generally decreased.
2
What is the value of x?
214
570
513
155
3
y=a\left(x-2\right)\left(x+4\right)
-5a
-8a
-9a
-2a
4
The average number of students...
Total number of students at the school in 2000.
Average number of students per classroom in 2000.
Estimated difference between average number of students per classroom
Estimated increase in average number of students per classroom each year.
5
If \left(x,y\right)is a solution to the system of equations, what is the value of x-y?
-8
-4
-20
8
6
At Lincoln High School,
140
30
39
69
7
In the xy-plane...
14
12
16
10