Math Paper f4 - Mid

8/8/2019 Math Paper f4 - Mid

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PART A : OBJECTIVE QUESTIONS

(40 marks)

1. Round off 0.007186 correct to three significant

figures.

A. 0.007

B. 0.00718

C. 0.00719D. 0.00720

2. Express 54.8 m in centimeters and correct the

answer to two significant figures.

A. 54

B. 55

C. 5500

D. 5600

3. Which of the following becomes 0.07 when it is

rounded off to one significant figure?A. 0.065

B. 0.075

C. 0.076

D. 0.0765

4. Find the value of 8.017 0.28 0.4 and round

off the answer to two significant figures.

A. 7.1

B. 7.3

C. 7.31

D. 7.32

5. 12.6 cm

5.9 cm

The diagram shows a rectangle. Find the area, in

cm3, of the rectangle and correct the answer to three

significant figures.

A. 74.2

B. 74.3

C. 74.4

D. 74.5

6. Express 0.00000072 in standard form.

A. 7.2 10-6

B. 7.2 106

C. 7.2 10-7

D. 7.2 107

7. 4.7

103

2

10-10

=A. 0.94 10-5

B. 0.94 10-7

C. 9.4 10-6

D. 9.4 10-7

8. Express 0.0098 in standard form.

7000

A. 1.4 10-6

B. 1.4 10-5

C. 1.4 105

D. 1.4 106

9. Find the value of 8.2 10-7 6.7 10-8 and

express the answer in standard form.

A. 1.5 10-8

B. 1.5 10-7

C. 7.53 10-7

D. 7.53 10-8

10. 25.2 1012

(3 104)2

A. 8.4 104

B. 8.4 106

C. 2.8 106

D. 2.8 104

11. Expand 3p(4 3p).

A. 12p 3p2

B. 12p 9p2

C. 12p + 3p2

D. 12p + 9p2

12. Expand (y 5)2.

y2 5

y2 + 5

y2 10y + 25

y2 + 10y + 9

13. Factorise completely 9 4t2.

A. (3 2t)(3 + 2t)

B. (3 4t)(3 t)

C. (9 4t)(1 t)D. (9 t)(1 4t)

14. Factorise completely 2x2 + 7x + 3.

A. (2x + 1)(x + 3)

B. (2x + 3)(x + 1)

C. (2x + 3)(x + 3)

D. (2x 1)(x 3)

15. Which of the following is not a quadratic

equation?

A. x2

9x 3 = 0B. 5y = 3y2

C. p2p = q2

D. 5m2 6m = 7


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16. Express (2p 1)p = 4p2 in the general form of

quadratic equation.

A. p 2p2 = 0

B. 2p2 +p = 0

C. 2p2 p = 0

D. 2p2 p 3 = 0

17. Solve the quadratic equationx2 6x + 8 = 0.

A. x = 2 orx = 4

B. x = 2 orx = - 4

C. x = - 4 orx = -2

D. x = 1 orx = -2

18. Solve the equation 2x2 7x = 13x

A. x = - 1 orx = -7

2

B. x = - 1 orx = 7

2C. x = 2 orx = 7

D. x = 2 orx = -7

19. Madam Ling was 28 years old when her son was

born. Ifthe product of their ages now is 480, how

old is her son now?

A. 8 years old

B. 9 years old

C. 12 years old

D. 14 years old

20.

(x + 2) cm

(x + 9)cm

The diagram shows a triangle. Given the area of the

triangle is 60 cm2. Find the value ofx.

A. 5

B. 6

C. 8

D. 11

21. Given M = {x: 21


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28. GivenP= {multiples of 3 less than 20} and

Q = {odd numbers less than 20}. The elements of

setP Q are

A. {3, 5}

B. {3, 9, 15}

C. {3, 6, 9, 15}D. {3, 6, 9, 15, 18}

29.

T

In the Venn diagram, the universal set = T F.

Simplify T F.A. T C.

B. F D. F

30. Given that the universal set =P Q R

whereP= {2, 4, 5, 6}, Q = {3, 4, 5, 7} and

R = {5, 6, 8}. Find n(P Q R).

A. 2 C. 4

B. 3 D. 5

31. Given = {x: 1 x 12,x is an integer},

P= {1, 3, 5, 7} Q = {x :x is a prime number} and

R = {x :x is a perfect square}.

The elements of the set Q R Pare

A. 1,3

B. 2, 4, 11

C. 3, 5, 7, 11

D. 1, 4, 9, 12

32. Which of the following is a statement?

A. 2 + 3

B. 8 6

C. Sin 45

D. 2x + 3 = 5

33. Which of the following is not a statement?

A. 27 is an even number

B. 1 is an integer

2

C. 6 2

D. -5 < 0

34. All the following statements are true except

A. all prime numbers are odd numbers.

B. all cylinders have two circular faces.

C. some triangles have obtuse angles.

D. all regular polygons have sides of equal

length.

35. Which of the following is a true statement?

A. 3 > 4 or 4 < -5

B. 5 4 = 20 and 24 6 = 3

C. 23 = 6 or 1 = 0.5

2

D. tan 45 = 1 and sin 60 = 0.5

36. Which is the negation of the following

statement?

A. 8 is a factor of 32.

B. 4 is not a factor of 32

C. 32 is a factor of 4

D. 4 is not a multiple of 8

37.

The antecedent in the above implication is

A. x + 3

B. x + 3 = 5

C. x = 2

D. x = 5

38.

The consequent in the above implication isA. p3 = 125

B. p3 = -5

C. p = 5

D. p = -5

39. Which of the following are the implication for

the statement given below?

A. Implication 1 : If k3 = 27 then k= 3

Implication 2 : Ifk= 3, then k3 = 27

B. Implication 1 : If k3 = 27 then k= 3

Implication 2 : Ifk= -3, then k3 = -27

C. Implication 1 : If k3 = -27 then k= -3

Implication 2 : Ifk= -3, then k3 = -27

D. Implication 1 : If k3 = -27 then k= -3

Implication 2 : Ifk= 3, then k3 = 27

40. y + 7 = 10. It is not a statement. Choose a

reason from below.A. y = 3.

B. It is true.

C. It is false.

D. It is neither true or false.

F

4 is a factor of 32

Ifx + 3 = 5, thenx = 2

Ifp3 = 125, thenp = 5.

k3 = -27 if and only ifk= -3


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PART B : SUBJECTIVE QUESTIONS (30 marks)

1. a) Round off 0.06509 correct to one significant figure.

b) Round off 79610 correct to two significant figures. (4 marks)

2. a) Calculate the value of 71.8 + 30.2 0.05.

b) Round off the answer in (b) correct to three significant figures. (4 marks)

3. Solve each of the following quadratic equations.

a) 4x2 + 16x 9 = 0

b) 2y2 = 2 + 5(1 +y) (8 marks)

3. The Venn diagrams shows setsA, B, and Cwhere the universal set =A B C. On the diagram, shade

the region that represents

a) A C

b) A B C (3 marks)

(a) (b)

A B C A B

C


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4. The Venn diagrams shows setsX, Y, andZsuch that the universal set =X Y Z. On the diagram,

shade the region that represents

a) X Y

b) X Z Y (3 marks)

(a) (b)

X Z Y X Y

5. Determine whether each of the following statements is true or false.

a) 52 = 25 and (-4)2 = -16

b) 1x2 6x is a quadratic expression or 3 x2 + 5 is not a cubic expression

2 2 (4 marks)

6. Write two implication from the following sentence.

a) p = 125 if and only if p3 = 5

b) 2x 1 = 5 if and only ifx = 3. (4 marks)

Prepared by, Checked by, Verified by,

(NURUL HUDA ISNIN) (TAN LEAN CHOO)

FORM FOUR MATHEMATHICS HEAD PANEL

MATHEMATICS TEACHER

Z

Z


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SEKOLAH MENENGAH KEBANGSAAN PETALING

BATU 6, JALAN KLANG LAMA, 46000 KUALA LUMPUR.

MID YEAR EXAMINATION 2009

MATHEMATICS

FORM FOUR

DURATION : 2 HOUR 30 MINUTES

NAME : _________________________________________

CLASS : _____________________

INSTRUCTIONS : ANSWER ALL THE QUESTIONS.

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Math Paper f4 - Mid