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Duplicate of SAT Test 5 Math
Duplicate of SAT Test 5 Math
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#SAT #Math #Test5 #Practice
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Questions
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Answers
1
√k+2 - x=0; In this equation, k is a constant. If x = 9, what is the value of k?
1
7
79
16
2
Which of the following is an equivalent form of (1.5x - 2.4)
2
- (5.2x
2
- 6.4)
-2.95x2 - 7.2 x + 12.16
-2.95x2 - 7.2x + 0.64
-2.2x2 + 1.6
-2.2x2 + 11.2
3
Which of the following is equivalent to 9
3/4
?
3√3
∜9
√3
∛9
4
a-b / a = c ; In this equation, if a is negative and b is positive, which of these is true?
c > 1
c = -1
c < -1
c = 1
5
The mean score of 8 players was 14.5. If the best leaves, the mean is 12. What was the best?
36
20
32
24
6
x
2
+ 20x+ y
2
+ 16y = -20; The equation defines a circle. What are the coordinates of the center?
(-20, -16)
(-10, -8)
(20, 16)
(10, 8)
7
2(p + 1) + 8(p - 1) = 5p ; What value of p is the solution to the equation?
2.1
1.2
5/6
6/5
8
The surface of a cube is 6(
a
/4)
2
, where
a
is a positive #. Which gives the perimeter of 1 face?
a/4
6a
a
4a
9
1/2 y = 4 , x - 1/2 y = 2 ; The system of equations has solution (x,y). What is the value of x?
3
6
4
7/2
10
If 3(c + d) = 5, what is the value of c + d ?
5/3
3/5
3
5
11
y ≤ 3x + 1 , x - y > 1 ; Which do the following ordered pairs (x,y) satisfies this system?
(2, -1)
(-2, -1)
(-1, 3)
(1,5)
12
y = x
2
; 2y + 6 = 2(x+3) ; If (x,y) is a solution of the system, and x > 0, what is xy?
2
1
3
9
13
Which of the following is an equivalent to the sum of the expressions a
2
- 1 and a + 1?
2a2
a3 - 1
a2 + a
a3
14
What is an example of a function whose graph in the xy-plane has no x-intercepts?
A quadratic function with real zeros
A quadratic function with no real zeros
A cubic polynomial with at least one real zero
A linear function whose rate of change is not zero
15
What are the solutions of the quadratic equation 4x
2
- 8x - 12 = 0?
x = 1 and x = 3
x = 1 and x = -3
x = -1 and x = 3
x = -1 and x = -3
16
If a
2
+ b
2
= z and ab = y, which of the following is equivalent to 4z + 8y ?
(a + 2b)2
(4a + 4b)2
(4a + 8b)2
(2a + 2b)2
17
-2x+3y=6; the graph of which of the following equations is perpendicular to the graph of this?
3x + 4y = 6
3x + 2y = 6
2x = 6y = 3
2x + 4y = 6
