Ensayo Psu M
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Publicado: 6 de marzo de 2013
Constanza Muñoz A.
IV°B
PSU Math Booklet
1. If x = 12 – 18 : 3 + 2 · - 3, y = - 3² + (3 – 5)² and z = - 1 · 1 + 1 – 1 : 1, who values of x, y or z is less than -1?
A) - 2
B) - 3
C)- 4
D) - 5
E) - 6
2. If A and B are multiple of 6, so, their positive difference is ever divisible for:
A) 4
B) 6
C) 8
D) 9
E) 10
3. The value of (5a – 3)² · (5a + 3)², for a = 1 is:A) 64
B) 4
C) 256
D) 16
E) 81
4. What is the value of (1 - √9 )² · ( 1 + √9)² ?
A) 9
B) 1
C) 7
D) 8
E) √9
5. The result of √3 · √12 is:
A) √12
B) √3
C) 3
D) 2
E) 6
6.Factor: 25a² - 9b²
A) (5a – 9b) ²
B) (5a – 9b) (5a + 9b)
C) (5a – 3b) (5a + 3b)
D) (5a – 3b) ²
E) (5a + 3b) ²
7. Which option is not a perfect square?
I) 25x² - 10x + 2²
II) 36x² -12x - 1
III) 4x² - 8x + 1
A) Only I
B) Only II
C) Only III
D) I, II and III
E) No answer
8. Solve: (x – 1) ² + (x + 2) ² = (x – 3) ² + (x – 4) ²
A) x = 5/3
B) x = 1,25
C) x = - 5D) x = (-5)/4
E) x = 5/2
9. The addition of 2 numbers is 91. If the numbers are in the proportion 4:3.What are those numbers?
A) 39 and 52
B) 45 and 46
C) 27 and 64
D) 31 and 60
E) No answer10. The money of 2 people are in the proportion 12:7 and one of those people have $850 more then the other. How much money have each one?
A) $850 and $1.190
B) $1.190 and $2.190
C) $1.190 and$2.040
D) $2.040 and $2.890
E) $1.190 and $2.040
11. The point (-4,2) belongs to the line:
A) y = -2x - 6
B) y = x - 4
C) x + 3y + 2 = 0
D) 2x + y + 1 = 0
E) y = 2x - 3
12. Thegeneral equation of line that have slope 5 and goes for the point (4,7) is:
A) y = 5x + 13
B) y = 5x - 13
C) y = x + 13
D) y = x - 13
E) y = 13x + 5
13. The lines 4x – y + 7 = 0 and 4y + x+ 3 = 0 there are:
A) Parallels
B) Drying
C) Perpendicular
D) They are the same line
E) No answer
14. Solve [pic]
A) [pic]
B) [pic]
C) [pic]
D) [pic]
E) [pic]
15. In the...
IV°B
PSU Math Booklet
1. If x = 12 – 18 : 3 + 2 · - 3, y = - 3² + (3 – 5)² and z = - 1 · 1 + 1 – 1 : 1, who values of x, y or z is less than -1?
A) - 2
B) - 3
C)- 4
D) - 5
E) - 6
2. If A and B are multiple of 6, so, their positive difference is ever divisible for:
A) 4
B) 6
C) 8
D) 9
E) 10
3. The value of (5a – 3)² · (5a + 3)², for a = 1 is:A) 64
B) 4
C) 256
D) 16
E) 81
4. What is the value of (1 - √9 )² · ( 1 + √9)² ?
A) 9
B) 1
C) 7
D) 8
E) √9
5. The result of √3 · √12 is:
A) √12
B) √3
C) 3
D) 2
E) 6
6.Factor: 25a² - 9b²
A) (5a – 9b) ²
B) (5a – 9b) (5a + 9b)
C) (5a – 3b) (5a + 3b)
D) (5a – 3b) ²
E) (5a + 3b) ²
7. Which option is not a perfect square?
I) 25x² - 10x + 2²
II) 36x² -12x - 1
III) 4x² - 8x + 1
A) Only I
B) Only II
C) Only III
D) I, II and III
E) No answer
8. Solve: (x – 1) ² + (x + 2) ² = (x – 3) ² + (x – 4) ²
A) x = 5/3
B) x = 1,25
C) x = - 5D) x = (-5)/4
E) x = 5/2
9. The addition of 2 numbers is 91. If the numbers are in the proportion 4:3.What are those numbers?
A) 39 and 52
B) 45 and 46
C) 27 and 64
D) 31 and 60
E) No answer10. The money of 2 people are in the proportion 12:7 and one of those people have $850 more then the other. How much money have each one?
A) $850 and $1.190
B) $1.190 and $2.190
C) $1.190 and$2.040
D) $2.040 and $2.890
E) $1.190 and $2.040
11. The point (-4,2) belongs to the line:
A) y = -2x - 6
B) y = x - 4
C) x + 3y + 2 = 0
D) 2x + y + 1 = 0
E) y = 2x - 3
12. Thegeneral equation of line that have slope 5 and goes for the point (4,7) is:
A) y = 5x + 13
B) y = 5x - 13
C) y = x + 13
D) y = x - 13
E) y = 13x + 5
13. The lines 4x – y + 7 = 0 and 4y + x+ 3 = 0 there are:
A) Parallels
B) Drying
C) Perpendicular
D) They are the same line
E) No answer
14. Solve [pic]
A) [pic]
B) [pic]
C) [pic]
D) [pic]
E) [pic]
15. In the...
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