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SAT Math Prep
SAT Math Prep
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Questions
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Answers
1
What would be the slope of a line perpendicular to the line y = 2/3x + 15?
y = - 2/3x - 15
y = -3/2x + 15
y = 1/2x + 15
y = 3/2x - 15
2
Which of the following is the same as the expression?
2x2y+2xy2
8xy2-6y2
4x2y2
2x2y+8xy2-6y2
3
x
2
+ 6x + 4 - Which of the following is equivalent to the expression above?
(x + 3)2 - 5
(x + 3)2 + 5
(x - 3)2 + 5
(x - 3)2 - 5
4
Which of the following statements is the best interpretations of the number 0.8636?
The estimated increase in the mean # of students per class
The estimated mean # of students per classroom in 2014
The estimated decrease in the mean # of students per class
The estimated mean # of students per classroom in 2004
5
What is the value of k?
33/13
33/17
9/17
9/13
6
What is the value of 3x+2y?
12
2
36
24
7
If line
is translated up 5 units and right 7 units, then what is the slope of the new line?
-11/14
-8/9
-3/2
-2/5
8
Solve the equation: ( x + 2) - (- 2x + 15) = 2
5
2
15
3
9
Which of the following describes what the expression 1/x represents?
The time it takes the slower printer to complete 1/5 the job
The portion of the job the slower printer completes in 1 hr
The portion of the job the faster printer completes in 2 hrs
The time it takes the slower printer to complete the job
10
Solve the equation: -9(-2 + 3)
24
-3
-9
21
11
Based on the series of equations, what is the value of xy?
1/2
11/9
1/4
-3/2
12
What is the estimated increase, in inches, of a boy's height each year?
5.7
14.3
9.5
3
13
What is 2y + z in terms of x?
2x3+x2+11x+11
2x3+x2+9x+6
3x3+11x+11
2x3+2x2+18x+12
14
Which of the following expressions is equivalent to...
20mp
5m + 4p
9mp
4m + 5p
15
What is the meaning of the 180 in the question?
Kathy starts each week with 180 phones to fix
Kathy will complete the repairs in 180 days
Kathy repairs phones at a rate of 180 phones per day
Kathy repairs phones at a rate of 180 phones per hour
16
What is y in terms of a?
y = 1/2a + 1
y = 2a - 1/2
y = 2a - 4
y = 2a - 2
17
Which of the following intervals contains the x-coordinate of the vertex of the graph of f?
-4 < x < -3
-3 < x < 1
1 < x < 3
3 < x < 4
18
What is the value of x?
10
2
4
9
19
What is the solution (x,y) to the systems of equations?
(9, -6)
(3, -8)
(-5, -2)
(4, -6)
20
What is the value of a+7?
34
10
14
-2
