If x = 2. 0001, which of the following expressions has the largest value?
2 / (x - 2)
2 / (x + 2)
(x + 2) / 2
2 / x
x / 2
The diagonal of a square has a measure of 12 inches. What is the perimeter, in inches, of this square.
24√2
6√2
72
144
48
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A solution is made of water and pure acid. If 75% of the solution is water, how many litters of pure acid are in 20 litters of this solution?
5
10
15
25
20
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For what value of k the equation below has nosolution? 2x + 3 = x - 2kx - 5
-0.5
1
2
-1
0. 5
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Which of the lines below is not parallel to the line 6x - 2y = 10?
3x + y = 7
3x - y = 7
-6x + 2y = 20
6x - 2y = 5
x - y/3 = 9
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X and Y are acute angles such that tanY = cotX. What is the sum, in degrees, of the measures of the angles X and Y?
90°
45°
60°
30°
120°
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The two legs of a right triangle measure 6 and 8 inches respectively. What is the area of the circle that contains all 3 vertices of the triangle?
25Pi
24Pi
36Pi
64Pi
48Pi
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For what negative value of k, the system of equations below has no solutions? 2x + ky = 5 kx + (k + 4)y = 7
-2
-5
-4
-7
-1
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A company makes a profit equal to 25% of its sales. The profit is shared equally among the 4 owners of the company. If the company generates sales of $5,000,000, how much money does each one of the owners get?
312,500
12,500
500,000
1,250,000
12,500,000
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What is the largest possible product for 2 odd integers whose sum is equal to 32?
255
34
64
256
1024
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There are n students in a school. If r% among the students are 12 years or younger, which of the following expressions represents the number of students who are older than 12?
n(100 - r) / 100
nr/100
n(1 - r)
100(1 - r)n
n(1 - r) / 100
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The measures of angles A, B and C of a triangle are in the ratio 3:4:5. What is the measure, in degrees, of the largest angle?
75°
15°
12°
90°
60°
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A group of 7 friends are having lunch together. Each person eats at least 3/4 of a pizza. What is the smallest number of whole pizzas needed for lunch?
6
7
5
28
21
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What is the smallest value of x that satisfies the equation x(x + 4) = -3
-3
-1
0
1
3
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