# spm trial 2012 addmath a sbp

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• 7/28/2019 Spm Trial 2012 Addmath a SBP

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1

3472/1

Matematik

Tambahan

Kertas 1

2 jamOgos 2012

BAHAGIAN PENGURUSAN

SEKOLAH BERASRAMA PENUH DAN SEKOLAH KECEMERLANGAN

KEMENTERIAN PELAJARAN MALAYSIA

PERCUBAAN SIJIL PELAJARAN MALAYSIA

Paper 1

Skema Pemarkahan ini mengandungi 6 halaman bercetak

MARKING SCHEME

http://www.chngtuition.blogspot.com

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PERATURAN PEMARKAHAN- KERTAS 1

No. Solution and Mark SchemeSub

Marks

Total

Marks

1(a)

(b)

25

4

1

1

2

2(a) 2 1 3

(b) 4

B1: 12 3

OR 2 [use (2) ].3 2

x yk y

x y

2

3(a)

(b)

3x

B1:3

5

)(

5

xxf

1

2

1

3

4 1m

B2: 0)3)(2(4)6(2 m

B1: 0362 2 xxm

3 3

5 12 p

B2 : 0)1)(2( pp

B1: 0232

pp

3 3

6(a)

(b)

(c)

1x

1

(1, 4)

1

1

1

3

7 2x

B2: xx 652

1)32(2 or xx 6532

B1: xx

652

1)32(2

333

3 3

or-2 -1

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3

83625 n or

1

3625n

B3: 625

3

1

n

mor equivalent

B2: 4log

3

15

n

m or equivalent

B1:125log

log

5

5 m (for change base)

4 4

9 h = 2 and k= 11 [both]

B2: h = 2 or k= 11

B1: - 7 + 3d= 20 OR - 7 + 3(20k) = 20

OR - 7 + 3( h(- 7)) = 20

3 3

10

(a)

(b)

2

3r

3

10

B1 :

1

22

1 (* )3

S

1

2

3

11 75 55h

B2 :

10

[2(3 1) 9( 1)]2 h h

B1: 3 1a h or 1d h

3 3

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12

(a)

(b)

3p

q

11:

yB pq p

x x

or 3pq

5

2

1

3

13 3 5

2 4y x or 4 6 5y x or equivalent

B3 :3 3

12 2

y x

B2 :2

3

2m or

3,1

2

B1 :1

2

3m OR (3,0) and (0,2)S T

4 4

14 2 2 4 4 92 0x y x y

B2 : 2 2 2 2( 2) ( 2) (6 ( 2)) ( 4 2)x y

B1 : PS=PQ OR2 2(6 ( 2)) ( 4 2)

3 3

15(a)

(b)

5 12i j

5 12 55 12 1or or

1213 13 13 13

i ji j

B1 : | OR |=13

1

2

3

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5

16

4

3k

B2: 034 k

B1: (4 3) (4 2)k i k j

3 3

17(a)

(b)

15.36 or 15.355

B1 : arc OS = 5 (*0.9506) or PS = 3.602

1

2

3

18 x =15,75,195,255

B2 : 0 0 0 02 30 ,150 ,390 ,510x or sin 2x =1

2

B1 : 2(2sin cos ) 1x x

3 3

19(a)

(b)

80 32x

5.2x or2

5x

B1 : 03280 x

1

2

3

20

2

54 xy or equivalent

B2 : 1423

xy or equivalent

B1 : 4 or ( 1) 3dy dy

dx dx

3 3

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6

21(a)

(b)

10

3

B2 : 3

1

5 7

2 2

hx

B1:3 3

1 1

( ) 7

2 2

f xhdx dx

1

3

4

22(a)

(b)

3

1.648 or 1.6475

B2: 2163 51

( )20 20

or equivalent

B1 :2 2 2 2 2251 2(0) 3(1) 2(2) 8(3) 5(4)or

20 20x

1

3

4

23(a)

(b)

252

66

B1 : 4 6 4 63 2 4 1or 60 OR or 6C C C C

1

2

3

24(a)

(b)

1

10

B1 :3 1 2

5 4 3

19

20

B1 :3 1 1

15 4 3

2

2

4

25(a)

(b)

0.1741

49.69

B2 :45

0.9385

k

B1 : z = 0.938

1

3

4

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3472/2

Matematik

Tambahan

Kertas 2

Ogos 2012

2 jam

BAHAGIAN PENGURUSAN

SEKOLAH BERASRAMA PENUH DAN SEKOLAH KECEMERLANGAN

KEMENTERIAN PELAJARAN MALAYSIA

PERCUBAAN SIJIL PELAJARAN MALAYSIA

Paper 2

Skema Pemarkahan ini mengandungi 10 halaman bercetak

MARKING SCHEME

http://www.chngtuition.blogspot.com

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2

No Solution and Mark SchemeSub

Marks

Total

Marks

1 8 3

2

yx

OR

8 2

3

xy

P1

2 8 33 6 02

yy y

OR

28 2 8 2

3 6 03 3

x xx

K1

Replace a, b & c into formula K1

2( 24) ( 24) 4(7)( 12)

2(7)y

OR

2( 20) ( 20) 4(7)( 59)

2(7)x

0.443, 3.871y OR 4.664, 1.807x N1

4.664, 1.807x OR 0.443, 3.871y N1

5 5

2 (a)

kxy

kxxy

31)1(

32

2

2

1

431

k

k

(b)

3

3

6

(1,4)

3

3-1

-Maximum shape P1

-*Maximum point K1

-Another 1 point y-intercept /x-intercept K1

K1

K1

N1

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3

3(a)16 ,8 ,4 ,...... OR

1

2r

P1

116 1

2 30.51

12

n

K1

4.416n K1

5n N1

4 7

(b)64 ,16 ,4 ,...... OR

1

4r P1

64

11

4

S

K1

=1

853

or 85.33 N1

3

4(a)(i) Change 13 6 0 2

3y x to y x or

1

3BCm

OR 3ABm

K1

5 3 ( 6)y x OR any correct method K1

3 23y x N1

5 7

(ii) Use simultaneous equation to find point B* 3 23y x and

13 6 0 2

3y x or y x K1

B =15 1

,2 2

N1

(b) 15 1 2( ) 3( 6) 2( ) 3(5)* , ,

2 2 5 5

x y

K1

D =39 25

,4 4

N1

2

Use r

ra

S

n

n

1

)1(

Use

1

aS

r

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5(a)

(b)

Amplitude = 3 [ Maximum = 3 and Minimum = 3 ] P1

Sine shape correct P1

Two full cycle in 0 x 2 P1Negative sine shape correct(reflect) P1

4 7

53sin 2 2

xx

or5

2x

y

N1

Draw the straight line5

2x

y

K1

Number of solutions is 3 N1

3

6(a) L = 79.5 OR F = 24 OR fm

= 4 P1

3(36) 24

479.5 104

K1

87 N1

3 8

(b) (i)

(44.5 4) (54.5 5) (64.5 6) (74.5 9) (84.5 4) (94.5 8)

36X

2602

36

= 72.28

5

y

3

3

2

2

3 2x

52

xy

O

3sin2y x

K1

N1

OR

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(ii)2 2 2 2 2 2(44.5) 4 (54.5) 5 (64.5) 6 (74.5) 9 (84.5) 4 (94.5) 8

K1

2197689 (*72.28)

36

K1

16.34 N1

7 Rujuk Lampiran

8(a)

(b)

3 2

4 2y dx c

x x

2

2(4) , 2

( 1)c c

2

22y

x

2

2

5

21

5

1 1

22

22

1

2( 2) 2( 5)

2( 2) 2( 5)1 1

dxx

xx

3

3

10

(c )

33or 6.6

5

2

2

2

5

23 1

5

22 3 13 1

5 5

2( ) Volume ( 2)

4 84

3 1

4 5 8 54( 2) 8( 2)4 2 4 5

3 1 3 1

14.56

i dxx

x xx

4

K1

N1

K1

K1

N1

K1

K1

K1

N1

K1

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6

9(a)

(b)

(c)

yx

yxxOD

yxAC

415

47

)57(4

37

57

3 7 157 5 5

4 4 4

21 7

4 4

3

15 1554 4

3

x y h y k x y

k

k

h k

h

5

452

150

t

t

3

5

2

10

10(a) (i) 6 410

66 0.3 0.7P X C

= 0.03676

(ii) 9 1 10 010 109 100.3 0.7 0.3 0.7C OR C

9 1 10 010 10

9 109 0.3 0.7 0.3 0.7P X C C

= 0.0001437

5

5

10

N1

K1

N1

K1

N1

K1

N1

K1

N1

K1

K1

N1

K1

N1

K1

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(b)

5.3

4548

5.3

45404840)( ZPXPi

= 0.7278

( ) 0.7

450.524

3.5

43.166

ii P X m

m

m

11(a)

(b)

(c)

7

tan 1

0.78554

OR RQ PR cm

2 2

7(1.571) 7(2.3565)

7 7 2(7)(7)(cos135 )o

OR

2 27 7 7(1.571) 7(2.3565) ( 7 7 2(7)(7)(cos135 )

54.4268

o

Perimeter

21 74

2 21 17 2.3565 7 sin1352 2

o

2 2 21 1 17 7 2.3565 7 sin1354 2 2

78.8996

oArea

2

4

4

10

K1

N1

N1

K1

K1

K1

N1

K1

K1

K1

N1

K1

K1

K1

N1

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No Solution and Mark SchemeSub

Marks

Total

Marks

12(a)

a = 10 - 5t= 0

t = 2 s

cttv 22

510

c 2)0(2

5)0(1030

c = 30

302

510 2 ttv

30)2(2

5)2(10 2 v

= 40 ms

- 1

4 10

(b) 302

510 2 ttv 0

2 6 0t t

0 6t

3

(c) cttts 30655 32

s = 0, t = 0 , c = 0

ttts 306

55 32

)6(30)6(6

5)6(5 32 s or )8(30)8(

6

5)8(5 32 s

= 180 = 133.33

Total distance = 180 + 33.133180 = 226.67 m

OR

3

Use v > 0

Integrate and

substitute t= 2

Use a = 0

Integrate a to

K1

K1

N1

K1

N1

K1

K1

Integrate v dt K1

K1

N1

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• 7/28/2019 Spm Trial 2012 Addmath a SBP

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9

67.226

67.46180

30

2

51030

2

510

8

6

2

6

0

2

dtttdttt

13(a)

125100

55

10

P

P10 = RM 44

2 10

(b)

115534

58831404125110

hh

hh

*h = 1

2

(c)

11510020

11 P

P07 = RM 23

2

(d)

I S = 11012510088

110 *1 125 4 140 *1 3 110 51 4 4 5

I

= 122.86

4

Integrate v

6

0

+ 8

6

K1

K1

N1

N1

K1

N1

K1

K1

N1

See 125 P1

K1

K1

N1

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14 Rujuk Lampiran

15(a) Using sine rule to find BAC .

sin sin30

27 14

oBAC

74.64oBAC

(obtuse) 180 74.64

105.36

o o

o

BAC

3 10

(b) 105.36 30 or 6o oDCB DC cm

Use cosine rule to findBD.

22 26 27 2 6 27 cos135.36

31.55

BD

BD

3

(c) Use formula correctly to find area of triangleABCorACD.

180 30 105.36

44.64

o o o

o

ABC

22 227 14 2 27 14 cos 44.64

19.67

AC

AC

1Area (14)(27)sin44.64

2

oABC or

1Area (6)(19.67)sin105.36

2

oACD

Use AreaABCD = sum of two areas

AreaABCD = 189.7 cm2

.

4

END OF MARKING SCHEME

N1

N1

K1

P1

K1

N1

K1

K1

K1

N1