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Matematik Tambahan Kertas 1 September 2 jam MAJLIS PENGETUA SEKOLAH MENENGAH MALAYSIA CAWANGAN NEGERI SEMBILAN DARUL KHUSUS ==================================

PROGRAM PENINGKATAN AKADEMIK TINGKATAN 5 SEKOLAH-SEKOLAH NEGERI SEMBILAN 2014 MATEMATIK T AMBAHAN Kertas 1 Dua jam

Untuk Kegunaan Pemeriksa Soalan

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 1

Iulis nama dan kelas anda pada fuangan yang I

disediakan.

2

Kertas soalan ini adalah dalam dwibahasa.

1 2 3 4 5 6 7 8

~

Soalan dalam bahasa Inggeris mendahului soalan

10

I

yang sepadan dalam bahasa Melayu.

4

Calon dibenarkan menjawab keseluruhan atau

I

sebahagian soalan sama ada dalam bahasa Inggeris

atau bahasa Melayu.

5

Calon dikehendaki membaca maklumat di halaman 24.

:

Markah Diperoleh

- ~

3 3 3 4 4 3 3 4 3 4

2 3 3 3 3 3 2 3 4 4 4

9 3

Markah Penuh 2 3 3 4­

11 12 13 14 15 16 17 18 19 20 21 22 13 24 25 JUMLAH

80

Keltas soalan ini mengandungi 24 halaman bercetak. 3472/1 © 2014 MPSM Cawangan Negeri Sembilan

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The following formulae may be helpful in answering the questions. The symbols given are the ones commonly used.

Rumus-rumus beriku! baleh membantu and'r! menjawab saalan. Simbal-simbal yang diberi adalah yang biasa digunakan. ALGEBRA

- b ± ,jb 2 - 4ac 1. x = - - - - - ­ 2a 2. a m

an = a m+n

X

9. Tn =a+(n-l)d n

10. S =-[2a+(n-l)d] n 2

11. Tn =ar 12 . S

5. loga mn = loga m + 10K, n

m n

6. loga -

n

n-l

_a(r"-l)_a(l-r")

-

r-l

-

l-r

,r"*

1

= loga m -loga n

CALCULUSIKALKULUS dy 1. Y = uv , dx

dv du + vdx dx

=u -

4. Area under a curve Luas di bawah lengkung b

b

f

f

a

a

= Ydx or (atau) = xdy

2. y

=!: , V

5. Volume of revolution du dv v--u­ lsi padu kisaran dy = dx dx b dx v2 = fTC y 2dx or (atau) a

dy dy du 3. - = - x ­ dx du dx 3472/1 © 2014 MPSM Caw3ng3n Negeri Sembilan

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STATISTICS 1STATISTIK

1.

2. 3.

- LX

-

X=­

N

- 2:fx X=

IW;f;

7. 1= " L.Wj

If

8. n P =

n!

(n-r)!

9 nC =

n! (n-r)!r!

r

(J=~L(X;X)2 =~L;2 _x

2



r

10. peA

.[1-N-F ' 1 1:11

5. m = L+ 2

6. I

C

U B) =

peA)

+ PCB) -

peA

n

B)

12. Mean 1 Min-, - 11;= np 13. (]' = ~npq

=~xl00 Qo

x - f.L z=-­ (]'

14.

I.Distance 1Jarak

=~(X2 -XI )2 +(Y2 - YI)2

GEOMETRYIGEOMETRl 5. = ~ X2 + y2

2. Midpoint 1 Titik tengah

. ) = (Xl + x 2 YI + Y2 ) (X,Y 2' 2

Id ~

6. r -

xi + yj

= ---;===== ~X2 + /

3. A point dividing a segment of a line Titik yang membahag; suatu tembereng gar is (x,y)

=(nxl + mX2 , nYI

+ mY2 )1

m+n m+n 4. Area of triangle 1 Luas segitiga 1 =-I(X IY2 + X2Y3 + x 3 (X2YI + X3Y2 + XIY3~ 2

yJ'-

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TRIGONOMETRY 1 TRIGONOMETRI

1. Arc length, s = d) Panjang lengkok, s = j

2. Area of sector, A = Luas sector, L

e

8. sine A ± B) = sin A cos B ± cos A sin B sin(A ± B) = sin A kos B ± kos Asin B

1 -r-e 2

9. cos(A ± B) = cos A cos B + sin A sin B kos (A ± B) = kosA kosB + sin A sin B

?

1 .2 =-} e

2 3. sin 2 A + cos 2 A = 1.

sin 2 A + kos 2 A

tan A ± tan B 1O. tan(A ± B) = - - - - ­

=1

1+ tanAtanB

4. sec 2 A = 1 + tan 2 A sek 2 A = 1 + tan 2 A

11. tan2A =

5. cosec 2 A = 1 + cot 2 A kosek 2 A = 1 + kat 2 A

12. - - = - - = - ­ sinA sinB sinC

6. sin 2A = 2sin A cos A sin 2A = 2 sin AkosA

13. a 2 = b 2 + c 2 - 2bc cos A a 2 =b 2 +c 2 -2bckosA

7. cos 2A

= cos 2 A - sin 2

.

A

= 2cos 2 A-1 = 1- 2sin 2 A kos2A =kos 2 A-sin 2 A = 2 kos 2 A-1 = 1- 2sin 2 A

3472/1 © 2014 MPSM Cawangan Negel'i Sembilan

2tanA 2

I-tan A

abc

14. Area of triangle 1 Luas segitiga

=~absinC 2

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THE UPPER TAIL PROBABILITY Q(z) FOR THE NORMAL DISTRIBUTION N(O, I)

KEBARANGKALIAN HUJUNG ATAS Q(z) BAGI TABURAN NORMAL N(O I)

2 1 4 5 3 6 5 3 4 6 7 8 9 Minus I Tolak

7

8

9

24

28

32

36

24

28

32

36

23

27

31

35

19

22

26

30

34

15

18

22

25

29

32

10

14

17

20

24

27

31

10

13

16

19

23

26

29

6

9

12

15

18

21

24

27

3

5

8

11

14

16

19

22

25

0.1611

3

5

8

10

13

15

18

20

23

0.1401

0.1379

2

5

7

9

12

14

16

19

21

0.1190

0.1170

2

4

6

8

10

12

14

16

18

0.1003

0.0985

2

4

6

7

9

11

13

15

17

0.0853

0.0838

0.0823

2

3

5

6

8

10

11

13

14

0.0708

0.0894

0.0681

1

3

4

6

7

8

10

11

13

0.0582

0.0071

0.0559

1

2

4

5

6

7

8

10

11

0.. 0475

0.0465

0.0455

1

2

3

4

5

6

7

8

9

0.0392

0.0384

0.0375

0.0367

1

2

3

4

4

5

6

7

8

0.0322

0.0314

0.0307

0.0301

0.0294

1

1

2

3

4

4

5

6

6

0.0256

0.0250

0.0244

0.0239

0.0233

1

1

2

2

3

4

4

5

5

0.0202

0.0197

0.0192

0.0188

0.0183

0

1

1

2

2

3

J

4

4

0.0158

0.0154

0.0150

0.0146

0.0143

0

1

1

2

2

2

J

3

4

0.0119

0.011 6

0.0113

0.0110

0

1

1

1

2

2

2

3

3

0

1

1

1

1

2

2

2

2

3

5

8

10

13

15

18

20

23

2

5

7

9

12

14

16

16

21

I

2

0.5000

0.4960

0.4920

0.4880

0.484U.

0.4801

0.4761

0.4721

0.4681

0.4641

4

8

12

16

20

0.4602

0.4562

0.4522

0.4483

0.4443

0.4404

0.4364

0.4325

0.4286

0.4247

4

8

12

16

20

0.2

0.4207

0.4168

0.4129

0.4090

0.4052

0.4013

0.3974

0.3936

0.3897

0.3859

4

8

12

15

19

0.3

0.3821

0.3783

0.3745

0.3707

0.3669

0.3632

0.3594

0.3557

0.3520

0.3483

4

7

11

15

0.4

0.3446

0.3409

0.3372

03336

0.3300

0.3264

0.3228

0.3192

0.3156

0.3121

4

7

11

0.5

0.3085

0.3050

0.3015

0.2981

0.2946

0.2912

0.2877

0.2843

0.2810

0.2776

3

7

0.6

0.2743

0.2709

0.2676

0.2643

0.2611

0.2578

02546

0.2514

0.2483

0.2451

3

7

0.7

0.2420

0.2389

0.2358

0.2327

0.2296

0.2266

0.2236

0.2206

0.2177

0.2148

3

0.8

0.2119

0.2090

0.2061

0.2033

0.2005

0.1977

0.1949

0.1922

0.1894

0.1867

0.9

0.1841

0.1814

0.1768

0.1762

0.1736

0.1711

0.1685

0.1660

0.1635

1.0

0.1587

0.1562

0.1539

0.1515

0.1 492

0.1469

0.1446

0.1423

1.1

0.1357

0.1335

0.1314

0.1292

0. 1271

0.1251

0.1230

0.1210

1.2

0.1151

0.1131

0.1112

0.1093

0.1075

0.1056

0.1038

0.1020

1.3

0.0968

0.0951

0.0934

0.0918

0.0901

0.0885

0.0869

1.4

0.0808

0.0793

0.0778

0.0764

0.0749

0.0735

0.0721

1.5

0.0668

0.0655

0.0643

0.0630

0.0618

0.0606

0.0594

1.6

0.0548

0.0537

0.0526

0.0516

0.0505

0.0495

0.0485

1.7

0.0446

0.0436

0.0427

0.0418

0.0409

0.0401

1.8

00359

0.0351

0.0344

0.0336

0.0329

1.9

0.0287

0.0281

0.0274

0.0268

0.0262

2.0

0.0228

0.0222

0.0217

0.0212

0.0207

2.1

0.0179

0.0174

0.0170

0.0166

0.0162

2.2

0.0139

0.0136

0.0132

0.0129

0.0125

0.0122

2.3

0.0107

0.0104

0.0102 0.00990

2.4

0.00820

0.00798

0.00776

0.00755

0.00984

.

0.00939

0.00914 0.00889

0.00868

0.00842

2

4

6

8

11

13

15

17

19

0.00639

2

4

6

7

9

11

13

15

17

0.00734 0.00714

0.00695

0.00676

0.00657

2.5

0.00621

0.00604

0.00587

0.00570

0.00554

0.00539

0.00523

0.00508

0.00494

0.00480

2

3

5

6

8

9

II

12

14

2.6

0.00468

0.00453

0.00440

0.00427

0.00415

0.00402

0.00391

0.00379

0.00368

0.00357

1

2

3

5

6

7

9

9

10

2.7

0.00347

0.00336

0.00326

0.00317

0.00307

0.00298

0.00289

0.00260

0.00272

0.00264

1

2

3

4

5

6

7

8

9

2.8

0.00256

0.00248

0.00240

0.00233

0.00226

0.00219

0.00212

0.00205

0.00199

0.00193

1

1

2

3

4

4

5

6

6

2.9

0.00137

0.00181

0.00175

0.00169

0.00184

0.00159

0.00154

0.00149

0.00144

0.00139

0

1

1

2

2

3

3

4

4

, 3.0

0.00135

0.00131

0.00126

0.00122

0.00116

0.00114

0.00111

0.00107

0.00104

0.00100

0

1

1

2

2

2

3

3

4

I

I

z)

Example / Contoh:

feZ)

1 (--z 1J 2

= --exp

&

2

~

~

co

Q(z)

If X

I

J

= fez) dz k

0 3472/1 © 2014 MPSM Cawangan Negeri Sembilan

L

k

~

N(O, I), then

Jika X ~ N(O, 1), maka

P(X> k) = Q(k) P(X> 2.1) = Q(2.1) = 0.0179 ,...

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Kegunaan

Pemeriksa

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3472/1

Answer all questions. Jawab semua saalan.

.

1. Diagram 1 shows elements in set B is the images of the elements of the set A. Rajah 1 menunjukkan unsur dalam set B adalah imej bagi unsur dalam set A.

SetA Diagram 1 . Ra;ah 1 (a) State the type of relation between set A and set B.

Nyatakan jenis hubungan antara set A dan set B.

(b) Using the function notation, write a relation between set A and set B. Dengan menggunakan tatatandajungsi, tuliskan hubungan antara set A dan set B. [2 marks] [2 markah] Answer 1 Jawapan:

(a)

(b)

1

[lij

o

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2. Diagram 2 shows the function, f: x ~ ax 2

Rajah 2 menunjukkan fungsi, f: x pernalar.

----j.

ax 2

-

-

bx ,where a and b are constants.

bx , dengan keadaan a dan b adalah

For

Examiner'

Use/

Untuk

Kegunaan

Pemeriksa

x

2 1------+-"--....., 14 3

12

Diagram 2 Rajah 2 Find the value of a and of b. Cari nilai a dan b.

[3 marks] [3 markah]

Answer 1{awapan :

2

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For Examiner's 3, Given that f : x -1- ~ ,x:;t:. k , find the value of Use!

2x-5 Untuk

n'b erl,' f : x -1- - 3x 'l!l x oF k ,carl"m /az' bagl ' Kegunaan

2x-5

Pemeriksa

(a) k, [3 marks] [3 markah] Answer 1Jawapan :

( a)

(b)

3

[Gj

o

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For 4. Solve the quadratic equation 3 - 8(x - 1) = 2x (x + 1). Give your answers correct to four Examiner's significant figures. [4 marks] Use/ Selesai"lcan persamaan kuadratik 3 - 8(x ­ 1) = 2x (x + 1). Berikan jawapan anda betul Untuk

[4 markah] kepada empat angka bererti.

Kegunaan

Pemeriksa

Answer 1 Jawapan :

4

[Gj

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For Examiner's 5. Diagram 5 shows the graph of a quadratic functi on f(x) = (x+m) 2 - 11+1) her m and Usel

n are constants. Untuk

2 Rajah 5 menunjukkan grafbagi fungsi kuadratik fex) = (x + m) - n + 1, dengan keadaan Kegunaan

y m dan n adalah pemalar. Pemeriksa

y

= f(x)

--~----~~~o~--·x ------'=~"'------+--y

= -2

Diagram 5 Rajah 5 The straight line y = -2 is a tangent to the curve.

Garis lurus-y= ~-2 ia"lah tangen kepada lengkung. (a) Write the equation of the axis of symmetry. Tuliskan persamaan paksi simetri.

(b) Find the value of m and of n. Cari nilai m dan n.

[3 marks] [3 markah]

Answer 1 Jawapan : ( a)

(b)

5

[Gj

o

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6.

Find the range of x for 1 - 3x ::; 2(x2 - x). Cari julat nilai x bagi 1 - 3x ::; 2(x 2 - x). Answer 1Jawapan :

3472 /1

[ 3 marks] For [3 markahJ Examiner's Usel Untuk

Kegunaan

Pemeriksa

6

[[ij 7. Solve the equation 27

2x

)9 x +]

- 3 =

S e IeSa/'kan persamaan 27

2x

-

3

--

[3 marks

.

)9 x + 1



[3 markah]

Answer 1 Jawapan :

7

[[ij

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0

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12

For Examiner's 8. Solve the equation 21og 2 x -log2 (x - 3) ::: 4. Use/ Selesaikan persamaan 2log 2 x - log2 (x - 3) ::: 4. Untuk Kegunaan Answer / Jawapan : Pemeriksa

347211 [ 4 marks]

[4 markah]

8

W = 1, express m in terms of n.

[4 marks]

= 1, ungkapkan m dalam sebutan n.

[4 markah]

9. Given that log9 m 2 -log) 2n Diberi log 9 m 2

-

log) 2n

Answer / Jawapan

o

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10. The first three terms of an arithmetic progression are 38, 35 and 32. The nth term of this progression is negative. Find the least value of n.

Tiga sebutan pertama bagi suatujanjang aritmetik ialah 38,35 dan 32. Sebutan ke-n janjang ini adalah negatif. Cari nilai n yang terkecil.

For

Exam iner's

[3 marks] Usel

Untuk

Kegunaan

[ 3 markah] Pemeriksa

Answer 1 Jawapan :

10

[Lj

11. Given that the fourth term of a geometric progression is 8. The sum of the fourth term and the fifth term is 4. Find the first term and the common ratio of the progression. [ 3 marks] Diberi sebutan keempat janjang geometri ialah 8. Hasil tam bah sebuta'1 keempat dan sebutan kelima ialah 4. Cari sebutan pertama dan nisbah sepuny a j anjang itu. [3 markah] Answer 1 Jawapan :

11

[lij

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For 12. Diagram 12 shows a straight line A C which is perpend icu lar to the straight line AD at Examiner's pointA. B is midpoint oflineAC, find Use/ Rajah 12 menunjukkan garis lurus AC yang berserenjang dengan garis lurus AD Untuk

pada titik A. B ialah titik tengah garis A C, cari Kegunaan

Pemeriksa

y

A

B(2 ,6) --~------------~o~------~----.x

D

C(4,O)

Diagram 12 Rajah 12 (a) the coordinates of A, koordinat A, (b) equation of the straight Iine AD.

[ 4 marks]

persamaan garis lurus AD.

[4 markah]

Answer 1Jawapan :

(a)

(b)

12

[GJ

o

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13. A straight line graph is obtained by plotting 2:: against x

~

Plotkan satu grafgaris lurus £ melawan

x

x

~ x

as shown in Diagram 13.

seperti yang ditunjukkan dalam Rajah 13.

y

For

Examiner's

Usel

Untuk

Kegunaan

Pemeriksa

x

(4, 12)

4

o Diagram 13 Rajah 13

Express y in terms of x. Ungkapkan y dalam sebutan x.

[3 marks] [3 markah]

Answer 1 Jawapan :

13

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For Examiner's 14. Diagram 14 shows a lrap eziuflI PQR . PQ is paralieJ to SR and M is a midpoint of Use/ QR.

Untuk

Rajah 14 menunjukkan sebuah rrapezium PQRS PQ selari dengan SR dan M ialah Kegunaan titik tengah QR. Pemeriksa P Q ~--------------~

R

S Diagram 14 Rajah 14 Given that SR

= 4 a, SP = 5b and 3SR = 2PQ, find -

-

Diberi bahawa SR = 4 a , SP = 5b dan 3SR = 2PQ, cari

(a) QR

(b) PM

[4 marks] [4 markah]

Answer / Jawapan :

14

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15. The vectors g and Q are non-zero ancl non-p arallel. It is given that (2 - 5h) g = (3k + 9)

For

Examiner's

Q, where hand k are constants.

Usel

Un/uk

Kegunaan

Pemeriksa

Vektor g dan Q adalah bukan sifar dan tidak selari. Diberi bahawa (2 ­ 5h) g

=

(3k + 9) Q, dengan keadaan h dan k ialah pemalar.

Find the value of h and of k. Cari nilai h dan nilai k.

[2 marks] [2 markah]

Answer / Jawapan :

15

GJ

e

e

16. Given sin = m, where m is a constant and 900 ::s ~ 180°, without using calculator, find Diberi bahawa sin 8 = m, dengan keadaarz m ialah pemalar dan 90° ::; 8 ::; 180°, tanpa menggunakan kalkulator, cari

e,

(a) cosec kosek 8, Answer! Jawapan:

b) cos (8 + 60°). kos (8 + 60°). [3 marks] [3 markah]

16

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SULIT

0

SULIT

18

3472/1

For Examiner's 17. Diagram 17 shows is a sector AGB of a circle with centre 0 and radius 15 cm. PQR is Usel a sector of a circ! ith centre P nd radius 12 cm. Untuk

Rajah 17 menunjukkan sektor A GB bagi sebuah bulatan berpusat 0 dan berjejari Kegunaan

15 em. PQR ialah sekJor bagi sebuah bulatan berpusat P dan berjejari 12 em. Pemeriksa

P

B

A

o Diagram 17 Rajah 17 Given that LAOB= 2 radians and LQPR = 0.95 radian, find the area, in cm 2 , of the shaded region . [3 marks] Diberi bahawa LAGB = 2 radian dan L QPR = 0.95 radian, eari luas, dalam cm 2, kawasan berlorek. [3 markah] Answer / Jawapan

17

Q

o

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347211

For

Examiner's

Use/

Un,'!Jk

Kegunaan

Pemeriksa

2

18. Given that y = 4x -l - x 2x

Diberi bahawa y =

4x 3

fi nd _

x2 ,

2x

eari

(a) : ' (b) the value of x wh en y is minimum . nilai x apabila y adalah minimum.

[3 marks] I

[3 markah]

Answer / Jawap an (a)

18

(b)

Gl

19. A cylinder with radius r cm and height 9 cm. The volume of a cylinder is decreasing at a constant rate of 36n cm 3s- l . Find value of r when the radius is decreasing at a rate of 0.4 ems -I. (Volume of cylinder = n/h) [3 marks] Sebuah silinder. denganjejarinya r em dan tinggi 9 em. lsipadu silinder menyusut pada kadar tetap 367r cm 3s- l Cari nilai r apabilajejarinya menyusut pada kadar 0.4 ems-I. (lsi padu silinder = nr2h) [3 markah] Answer / Jawapan :

19

[[ij

[Lihat halaman sebelah

347211 © 2014 MPSM Cn wangan Negeri Sembilan

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0

20

SULIT

F~r , 20. Find he vulu· Exammer s Use/

0 ' k,

f

Untuk Kegunaan

Cari nilai k, j lkel

Pemeriksa

Answer / Jawapan

- I

if 5

I_Is (3x 2 + k)dx

(3

2

3472/1 =

122 .

[3 marks]

+ k )dx = 122 .

20

21. Diagram 21 shows a .straight line OP intersect the curve ofy= f(x) at point P. Rajah 21 memmjukkan satu garis lurus OP yang bersilang dengan lengkung y=j(x) pada titik P.

y

x

Diagram 21 Rajah 21 Given that

f:f (x)dx 20, find the area of the shaded region. f:f (x )dx = 20, =

Diberi bahawa

cari luas kawasan berlorek.

[2 marks] [2 markah]

Answer / Jawapan : 21

Q

o

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SULIT

21

347211

22. The mean and standard deviation of a set of data XI,X2, X3, ... , Xn are p and q respectively. For Examiner's If the data change uni formly to 4x I - I , 4X2 - 1, 4X3 - 1, ... , 4xn - 1, express in terms ofp Use/ and/ or q the new value of Untuk

Nilai min dan :~ds ihan p iawai bagi satu set data XI, X2, X3, ... , Xn adalah masing-masing p Kegunaan

Pemeriksa

dan q. Jika data tersebut berubah secara seragam dalam bentuk 4xI - 1, 4X2 - 1, 4X3 - 1, ... , 4xn - 1, ungkapkan dalam sebutan p danl atau q nilai bagi (a) mean, min, (b) variance. [3 marks] varians. [3 markah] Answer I J CM upon (a) 22 1

Gj

(b)

23. A teacher wants to ch oose 6 representatives consisting of2 girls and 4 boys for a competition. These 6 representat:ves are chosen from a group of 8 girls and 7 boys. Seorang guru ingin memilih 6 orang wakil yang terdiri daripada 2 orang perempuan dan 4 orang lelaki untuk menyertai satu pertandingan. 6 orang wakil itu dipilih

daripada 8 orang p eremp Zlan dan 7 orang lelaki.

Find

Cari (a) the number of ways the group of representative can be formed, bilangan cara kumpulan wakil tersebut dopat dibentuk, (b) the number o r ways the representatives can be arranged in a row for a group

photograph it ' Ie two girls sit next to each other.

bilangan cart' nenyusun wakil tersebut dalam satu baris untuk satu sesi bergambar, jika kedua-duo wakil perempuon dl.lduk bersebelahan an tara satu sarna lain. [4 marks] [4 markah] I Answer I Jml .pan (a) 23

~

(b)

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o



22

SULIT For Examiner's

Use/

Untuk

Kegunaan

Perneriksa

3472/1

24. Table 24 shO\vs the number of red marbles and black marbles in two bags. Jadual 24 menunjukkan bi/angan guli merah dan guli hitam dalam dua buah beg.

t: ~



.

Bag

COIOllr~ Warna guli

Red

lvIerah I Black i

Hitam

A

B

8

5

6

3

Table 24

Jadual24 A marble is drawn at random from each bag. Find the probability that

Sebiji guli dikeluarkan secm'a rawak daripada setiap beg. Cari kebarangkalian bahawa (a) both marbles are of the same colour,

kedua-dliCi biji guli adalah sarna warna , (b) at least one of the marbles is black colour.

sekurang-kurangnya sebiji guli adalah berwarna hitam.

[4 marks]

[4 markah]

Ans wer I Jawapan:

(a)

(b) 24

Q

03472/1

[Lihat halaman sebelah

© 2014 MrSM

c.w.""Ne,e';Se... b""

SULIT

SULIT

23

347211

25. Diagram 25 shows a standard normal distribution graph.

For

Examiner's

Usel

Rajah 25 menunjukkan graftaburan normal piawai.

Untuk

Kegunaan

Pemeriksa

Diagram 25 Rajah 25 The pro ba bility t'ept-csented by the area of the shaded region is 0.308l. Kebarangkalian yang diwakili oleh luas kawasan berlorek ialah 0.3081. (a) Find the value of k. Cari nilai k. (b) X is a continuou s random variable which is normafly distributed with a mean of 12 and a stand ard devi ati on of5. Find the value of Xwhen thez-score is k. X ialah pembolehubah rawak selanjar bertaburan secara normal dengan min 12 dan sisihan piawai 5 Cari nilai X apabila skor-z ialah k [4 marks] [4 markah] Answer! Jawapan : (a)

(b)

25

Q

END OF QUESTION PAPER KERTAS SOALAN TAMAT 3472/1 © 2014 MPSM

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INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON 1. This question paper consists of 25 questions. Kertas soalan ini mengandungi 25 soalan.



"

2. Answer all questions . .!awab semua soalan. 3. Write your answers in the spaces provided in this question paper. Tulis jawapan anda pada ruang yang disediakan dalam kertas soalan. 4. Show your working. It may help you to get markS. Tunjukkan langkah-Iangkah penting dalam kerja mengira anda. Ini boleh membantu anda untuk mendapatkan markah. 5. If you wish to change your ~lnswer, cross out the answer that you have done. Then write down the ne w an swer. Sekiranya anda hendak menukar jawapan, batalkan jawapan yang telah dibuat. Kemudian tulis jawapan yang baru. 6. The diagram s in the questions provided are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala keeuali dinyatakan. 7. The marks allocated for each question are shown in brackets. Markah yang diperuntukkan bagi setiap soalan ditunjukkan dalam kurungan. 8. A list of formulae is provided on pages 2 to 4. Satu senarai rumus disediakan di halaman 2 hingga 4. 9. The Upper Tail Probability Q(z) For the Normal Distribution N(O, 1) Table is provided on page 5. .!adual Kebarangkalian Hujung Atas Q(z) Bagi Taburan Normal N(O, 1) disediakan di halaman 5. 10. You may use a scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik. 11. Hand in this question paper to the invigilator at the end of the examination. Serahkan kertas soalan in; kepada pengawas peperiksaan pada akhir peperiksaan.

3472/1 © 2014 MPSM

Cawanglln Ne!!cri Sembilan

SULIT

MAJLIS PENGETUA SEKOLAH MENENGAH MALAYSIA

CA WANGAN NEGERI SEMBILAN DARUL KHUSUS

PROGRAM PENINGKATAN AKADEMIK TINGKATAN 5

SEKOLAH-SEKOLAH MENENGAH NEGERI SEMBILAN 2014

·APDITIONAL

MATHEMATICS

MARKING SCHEME FOR ADDITIONAL MATHEMATICS FORM 5 PAPER 1 - 2014

No.

Marks I I

Full Marks 2

3 B2 BI

3

2

a

3

(b) 10

2

Marking Scheme

1

(a) many to one (b) f: x -7 x2 + 1

2

a = ­ 3 and b = ­ 13 a = ­ 3 or b = ­ 13 4a-2b= 14 or 9a ­ 3b = 12

3

. Jent (a) -5 or eqUiva

f-I(x)=~

or

2x -3

~= 2y-5

2

BI

0.9278 and - 5.928 0.9278 or ­ 5.928

4

4 B3

-(10)±~(1O)2 -4(2)(-11)

4

B2

2(2)

Bl

2xz + lOx -1 I = 0

(a) x=-3

5

I

m=3,n=3 m = 3 or n = 3

(b)

x~..!.. , xS - l

6

2

(2x- 1) (x + 1) ~ 0 or

3

2 Bl

both

A- l",=/..!..h..

3 x

3

B2

2

2X2 + x -I ~ 0 7

Bl

2

3

3(2x - 3)=x+! 3 3(2r -

3)

or (3 2( x+ l)

B2 )112

Bl

3

No.

Marking Scheme

x = 4, 12

8

(x - 4 )( x - 12 ) = 0

Marks

Full Marks

4

4

B3

2

_X_=2 4

B2

x-3

lOg2(~) x-3 · 9

B1

m = 6n

4

2 m

~=32 or .- =3

4n 2

2n

lOgo(::') IOgt: )

4

B3 B2

or

B1

10

3

14

3

B2

2 n > 13­ 3

B1

38+(n-1)(-3)<0

11

12

1 2

a = -64 and r

=-­

a =-64

or

r = - ­ 2

B2

ar 3 = 8

or

8+ar4 =4

Bl

3 1

a) A(0,12)

2

(x; 4,y; 0)

= (2,6)

1

b) y=-x+12 3 1 mAD

=-

3

Bl

2 or - 3m.w =-1

B1

3

4

Marking Scheme

No. 13

2 y= 4x +­ x y 2 -=-+4 x x2

Marks

Full Marks

3

3

B2 B1

m=2

14

2

a) -2a-5b

-

~

-

~

-

QP+PS+SR or QP=-6a 5 2­

b) 5a--b

-

1

i

2 h = - and k =-3 5 2 h = - or k =-3 5

16

a)

b)

-

B1

2

2

Bl

1 1

m

-~(~I-m 2

+fim)

3

2

2

cos e = 17

B1

2

6 a+ ­ ( - 2 a- 5 b ) - 2 -­

15

4

i

156.6 cm

-~1-m2

2

B1

3

1 2 1 2 -xI5 x 2--x12 xO.95 2 2

B2

1 1 2 -x 15 x 2 or - x 122 x O.95 2 2

B1

3

Marking Scheme

No.

18

Marks

Full Marks

1

3

1

a) 4x-­ 2

1 b) X=­ 8

1

4x-2

2 Bl

= 0

r= 5

19

3

3

I

I -36n = 18nr x (-0.4)

B2

I

I

20

dv dr

=

18nr

.

Bl

2

k=-­

3

3

53 + 5k - [( -1

i + ( -k)] = 122

3

B2

3

3x + kx

Bl

8

2

3

,

i

21

1 -(8)(7) ­ 2

22

J f(x)dx 8

0

Bl

a) 4p ­ 1

1

b) 16q2

2

Variances = q2

2

Bl

3

No. 23

Marking Scheme

a) 980

8e2

x

7e

4

24

a) ­

x

Full Marks

2 B1

4

2

b) 240

sps

Marks

2p

B1

2

2

29 56

8 5 6 3 - x- + - x ­ 14 8 14 8

4

B1

9

b) ­ 14

2

6 3 6 5 8 3 - x - + - x - +-x14 8 14 8 14 8

25

a) 0.871

B1 2

b) 16.355

5

B1

2

0.5 - P( z > k) = 0.3081

x-12

8 5 or 1 - - (- ) 14 8

= 0 .871

B1

4

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