1. The document provides instructions for a mathematics exam for class X including instructions to write name and details, read questions carefully, check answers before submitting, and do easier questions first. 2. It provides 30 multiple choice questions testing concepts like scientific notation, roots, logarithms, quadratic equations, and systems of linear equations. 3. The questions cover a range of mathematics topics and difficulty levels.

1. PEMERINTAH PROVINSI SUMATERA BARAT
FORUM RSMA-BI SUMBAR
UJIAN SEMESTER 1
T. P. 2010/2011
Sheet of Examination
Subject : MATHEMATICS
Day / Date : / December 2010
Class / Program : X
Periode : 2010/2011
Time : 90 minutes
General Instruction:
1. Write your name, number, the subject and your class on space provided in your answer sheet!.
2. .Read the text carefully before answering the question.
3. Tell your teacher if there is any problem in your test sheet.
4. Do easier item first.
5. Check your answer sheet again before being collected.
Multiple choise
1. Express in scientific notation 0.0000002578 = … 1
7 6 8. If 3 X  2  , then x = …
A. 2.578 x 10 B. 25.78 x 10 9
5 4
C. 257.8 x 10 D. 2.578 x 10 A. 3 B. 1 C. -1/2 D. -1 E. -3
7
E. 2.578 x 10 9. The following numbers are in surds is…
1 2

2. The value of x 4 3
.y for x = 16 and y = 125 is ... A. 64 B. 8 C. 0,64 D. 3 27 E. 3 64
1 1
A . 2.5 B. 5.5 C .7.5 D.10.5 E .12.5 10. If x
log   , then x = …
100 7
x -x 2x -2x
3. Given that 2 +2 = 5. The value of 2 +2 = ....... A. 1010 B. 1011 C. 1012 D. 1013 E.1014
A . 23 B . 24 C . 25 D . 26 E . 27
log 2 2  log8 3  log9 2
1 3 1 11. = …….
4. 5  729  3  ... log12
243 64
2 1 5 2 A. 5 B. 1,5 C.2,5 D. 0,6 E.2
A. 3 B. 3 C. 5 D. 3 E. 4
5 3 6 3
-3/2
12. Form logarithm of 4 = 1/8 is…..
2 3
2 3
2 2 4 1/8
3
5. 27 + 16
4
- + =… A. log (-2/3) = 1/8 B. log 4= -3/2
2 2 1/6 4
8 3
4 3 C. log (-3/2) = 4 D. log 1/8 = -3/2
A. 11 B. 12 C. 13 D. 14 E. 15 4
E. log (3/2) = - 1/8
3 8
6. If log 2= a then log 9 =…. 13. Quadratic function of figure is....
A. 3a/4 B. 4/3a C. 8/3a 4
D. 2/3a E. 3a/2 3
8
7. =… 0 1
5 3
2 2
A. y= -2x + 4x + 3 B. y= -2x + 4x + 2
A. 10 + 3 B. 10 + 6 2 2
C. y= -x + 2x + 3 D. y= -2x + 4x - 6
C. 10 - 6 D. 5 - 3 E. 2 6 2
E. y= -x + 2x - 5
14. The vertex of function f(x) = 3x2 -12x+17 is…
A. (-4,13) B. (-2,8) C. (2,5)

2. D. (1,8) E. (4,17) 25. The solution set of x2 + x – 6 ≤ 0 is ...
15. A function has minimum value 5 for x = -1 and A. {x | x ≤ –3 atau x ≥ 2}
passing throught (0,7), is … B. {x | x ≤ 3 atau x ≥ 2}
2 2
A. y = 2x + 2x + 5 B. y = 2x - 4x + 7 C. {x | –3 ≤ x ≤ 2} D. {x | –2 ≤ x ≤ 3}
2 2 E. {x | –2 ≤ x ≤ 2}
C. y = 2x + 4x + 7 D. y = 2x + 4x - 7
2
E. y = 2x + 4x + 5  3x  7 y  2 z  8

2
16. Quadratic equation (k + 2)x – (2k –1)x + k – 1 = 0 26. The solution of system:  4 x  2 y  5 z  19
has equal roots. The value of k is...  6 y  4 z  14

A. 9/8 B. 8/9 C. 52 D. 2/5 E. 1/5 Is.....
2
17.Equation of 3x – (2 + p)x + (p – 5) = 0 have A. {5,3,1} B. {4,-5,1} C. {-3,4,1}
reciprocal roots. Value of p is … D. {-5,3,2} E. {-5,3,1}
A. 1 B. 2 C. 5 D. 6 E. 8 27. If x and y satisfies at linear equation system
2
18.The solution set of x + (a – 1)x – a + 4 = 0 has 2 x  y  5
two different roots is …  . The value of x + y is…
 3x  2 y  3
A. a < –5 or a > 3 B. a < –3 ora > 5
A. 1 B. 2 C. 3 D. 4 E. 5
C. a < 3 or a > 5 D. –5 < a < 3
 2 3
E. –3 < a < 5
  4
19. Given that x1 + x2 = −2/3 and x1x2 =−1/6 , then  x y
28. The solution of system:  is…..
quadratic equation is ... 1 1 1
  
A. 6x2 + x + 4 = 0 B. 6x2 + x – 4 = 0 
 x y 2
C. 6x2 - 4x – 1 = 0 D. 6x2 +4x + 1 = 0 A. {(1,2)} B. {(-1,2)} C. {(-2,1)}
2
E. 6x + 4x – 1 = 0
D. {(2,1)} E. {(2,-1)}
20. If x1 and x2 are roots of x2 – 6x + 5 = 0, then
29. At a store, Apriliani buy 4 books and 2 pens with price
x1 2 + x2 2 = … Rp 4,000.00. Yuli buy 10 books and 4 pens with price
A. 26 B. 31 C. 37 D. 41 E. 46 Rp 9,500.00. Januar buy a book and a pen with price…
2
21. Quadratic equation x – 5x + 6 = 0 have roots x1 A. Rp 950.00 B. Rp 1,050.00 C. Rp 1,150.00
and x2. Quadratic equation whose roots (x1 – 3) D. Rp 1,250.00 E. Rp 1,350.00
and (x2 – 3) is ... 2
30. The solution set of y = x – 3 and y = x – x - 2 is….
A. x2 – 2x + 30 = 0 B. x2 + x – 30 = 0 A. {(1,-2)(3,0)} B. {(1,-2)(0,3)}
C. x2 + x + 30 = 0 D. x2– 2x = 0 C.{(1, 2)} D. {(-2,1)} E. {(1,-2)}
2
E. x + x = 0
22. If the sum of two numbers is 35 and their “Barangsiapa mencari ilmu bukan karena Aku,
multiplication is 300. The numbers are….
akan dijauhkan dari bau surga” (Hadits Qudsi)
A. 15 and 20 B. 15 and 30
C. 15 and 35 D. 20 and 35
E. 30 and 35
23. Ten years ago,Ihsan’s age was twice as many as
Aisyah ‘s age, and five years later Ihsan’s age was
one-and- a-half times as many as Aisyah ‘s age.
How old is Ihsan?
A. 20 year old B. 25 year old
C. 30 year old D. 35year old
E. 40 year old
24. The solution set of 3x2 – 2x – 8 > 0 for xєR is …
3
A. { x | x > 2 or x < – }
4
4
B. { x | x > 2 or x < – }
3
4 3
C. { x | – < x < 2} D. { x | – < x < 2}
3 4
4
E. { x | x > or x < – 2}
3