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

    PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2012

    PERCUBAAN SIJIL PELAJARAN MALAYSIA

    ADDITIONAL MATHEMATICS

    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)

    0.9506 rad / 0.9505 rad / 0.9507 rad

    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

    PENTAKSIRAN DIAGNOSTIK AKADEMIK SBP 2012

    PERCUBAAN SIJIL PELAJARAN MALAYSIA

    ADDITIONAL MATHEMATICS

    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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    4

    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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    5

    (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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    7

    (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

    rad rad

    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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    8

    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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    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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    10

    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