SEKOLAH MENENGAH KEBANGSAAN HUTAN KAMPONG05350 ALOR SETAR, KEDAH DARUL AMAN

FEBRUARY MONTHLY TEST 2010MATHEMATICS

FORM 51 HOUR

NAME: …………………………………. FORM : …………………..

PREPARED BY CHECKED BY CERTIFIED BY

(HASNAH BT ABDUL KARIM)Maths F5 teacher

( JAWAHIR BT MOHD YUSOFF)Sc & Maths Senior Teacher

(EN. KU AZIZAN B KU BAHARUM)Senior Assistant

INSTRUCTION: ANSWER ALL THE QUESTIONS

SECTION A(16 MARKS)

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1. Express 2 + 2 + 1 as a number in base two.(Nyatakan 2 + 2 + 1 dalam nombor asas dua)

A CB D

4. What is the value, in base ten, of 3 in the number ?

(Apakah nilai dalam nombor asas sepuluh bagi 3 dalam nombor )

A 64 C 300 B 192 D 492

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2. Express 8 + 8 + 3 as a number in base eight. (Nyatakan 8 + 8 + 3 dalam nombor asas lapan)

5. The value in base ten of 2 in 4213 is (Nilai 2 bagi 4213 dalam nombor asas sepuluh ialah)

A 25 C 200 B 50 D 250

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A C 6. Which of the following not true about B D the number ?

(antara berikut adalah TIDAK BENAR tentang nombor )

A The value of the digit 7 is 7 3. 2 × 5 + 2 × 5 + 1 = B The value of the digit 2 is 16

A C 22 C The value of the digit 5 is 500 B D 2020 D The value of the digit 3 is 1536

4

7. is equivalent to ( setara dengan)

A 21 B 23 C 25 D 31

8. =A 19 B 34 C 27 D 37

9. Convert 36 as a number in base two.( Tukarkan 36 dalam nombor asas dua)

A B C D

10. Express as a number in base eight.(Nyatakan dalam nombor asas lapan)

A B C D

11. Given that x = , then x = (Diberi x = , maka x = )

A 41 B 211 C 221 D 1110

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12. What is the value of digit 3, in base ten in the number . (Apakah nilai bagi digit 3, dalam asas sepuluh, dalam nombor )

A 24 B 192 C 300 D 240

13. =

A B C D

14. Which of the following the cubic function graph? (Yang manakah graf fungsi kubik?)

A C

B D

15. Diagram below shows the graph of the function y = −xn + b. ( Gambarajah 12 menunjukkan graf bagi fungsi y = −xn + b).

`

The value of n is (Nilai n ialah)

A 1 B 2

y

x 2

DIAGRAM

C 3 D 4

16 Which of the following graphs represents (Antara rajah berikut, yang manakah mewakili graf bagi )

A C

B D

ANSWERS SHEET FOR SECTION A(Jawapan bagi bahagian A)

y

0x

y

0x

–2

y

0 x

y

0 x

10

–2

10

1. _______________

2. _______________

3. _______________

4. _______________

5. _______________

6. _______________

7. _______________

8. _______________

9. _______________

10. _______________

11. ________________

12. ________________

13. _______________

14. ________________

15. ________________

16. ________________

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SECTION B (12 MARKS)

17. a) The table below shows value of x and y which satisfy the equations y = x - 2x – 8 (Jadual menunjukkan nilai bagi x dan y berdasarkan persamaan y = x - 2x – 8)

x -3 -2 -1 0 1 2 3 4y -29 a -7 -8 -9 -4 b 48

Calculate the values of a dan b. (Kirakan nilai a dan b) (4 marks)

b) By using a scale 2 cm to 1 units on the x-axis and 2 cm to 10 units on the y- axis, draw the graph of y = x - 2x – 8 for -3 ≤ x ≤ 4).

(Dengan menggunakan skala 2 cm kepada 1 unit pada paksi-x dan 2 cm kepada 10 unit pada paksi-y, lukiskan graf

y = x - 2x – 8 bagi -3 ≤ x ≤ 4) (4marks)

c) From your graph, find (Daripada graf anda, cari)

i) The value of y when x = 1.5 (nilai y apabila x = 1.5)

ii) The value of x when y = - 20 (nilai x apabila y = - 20) (2 marks)

d) Draw a suitable straight line on your graph, find all values of x which satisfy the equation x - 9x +4 = 0 for -3 ≤ x ≤ 4. State the value of x.

(Lukiskan garis lurus yang sesuai pada graf anda untuk mencari nilai-nilai x yang memuaskan persamaan x - 9x +4 = 0 bagi -3 ≤

x ≤ 4. Nyatakan nilai-nilai x)

(2 marks)Answer:

a) a = ……………………….

b = ……………………

b) rujuk graf lukisan anda.

c) i) y = ………………………

ii) x = ………………………

d) x = …………………………. , …………………………. , ………………………….

********************* END OF QUESTIONS ******************** (SOALAN TAMAT)

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ANSWERS SHEET FOR SECTION A(Jawapan bagi bahagian A)

11

1. ________C_______

2. ________C______

3. ________D______

4. ________B______

5. ________B_____

6. ________C_______

7. ________B______

8. ________C_____

ANSWERS SHEET FOR SECTION B

a) a = - 12 , b = 13 ( 4 marks)

b) - scale true (1 mark)

- 8 plot true (2 mark) - 6 or 7 plot true (1 mark)- Graf smooth (1 mark)

c) i) y = …-7 (1 mark)ii) x = ……-2.5……(1 mark)

d) x = -3.2 , 0.4 ,2.7 (1 mark)

y = -7x + 12 (1 mark)

9. _______A________

10. _______C_______

11. _______C_______

12. _______B_________

13. _______B_______

14. _______B_________

15. _______C________

16. _______D_______

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13

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