TRIAL MATE Pmr 2010 N.sembilan Answer

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    JABATAN PELAJARANNEGERI SEMBILAN DARUL KHUSUS

    PENILAIAN TINGKATAN TIGA 2OIOMATHEMATICSPAPER1AND PAPER2

    ANSWERSCHEME

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    MATHEMATICSPAPER ONE

    Ouestion Answer Question AnswerI C 2I C2 A 22 C3 B . l -z) D4 A 24 B5 B 25 A6 A 26 B7 C 27 D8 A 28 D9 D 29 A10 D 30 A1 l B 31 Dl2 C a aJ Z B13 C Ia aJ J Ct4 A 34 B15 A 35 Bt6 D 36 Bt7 B a nJ I D18 C 38 Dt9 A 39 D20 C 40 C

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    Marking SchemeMathematicsPaper 2

    a Marking Scheme Fullmarksl . 116

    79Seen29 give KI

    KIN1 )

    ) 5'8 + l '25 or equivalent7 .05

    K1N1 2

    3. a a/ /a)1 J Jb) 8 o r 0 '3

    7 .7

    N1

    KIN1

    3

    4.

    Any onesidecorrectlydrawn,Another wo corresponding idescorrectlydrawnCompletediagram

    \\

    \

    K1K1N1 3

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    a Marking Scheme Fullmarksf, . a) BC:6 (seen)

    8(Acceptdirect answer)4g)

    P1N1

    N1

    3

    6.

    Imagecorrectly drawnNotes 1.2.

    aJ .

    2 or 3 sidescorrectly drawn,P1Correct magedrawnwith dotted ines, PlSketchof correct mage,P0

    \/ {

    /

    \/ {

    /

    P2 )

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    a Marking Scheme Fullmarks1

    Conectandcomplete rawingNo tes : AwardN l :Any two sidesdrawn correctly.Correct magedrawn using dotted inesorCorrect magedrawn by sketching.Isnore abels

    \\ /

    /

    N3 3

    8. a)b)

    f n

    4x2 2x - 2x +4x2 -5x -2

    - r -3P1K1NI

    3

    9. 3(pt -25) or (3p + l5)(p - 5) or (p + 5)(3p- 15)3(p+s)(p-s)

    PIN I 2

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    0 Marking Scheme Fullmarks10.

    Locusof X correctlydrawnLocus of I correctlvdrawnThe intersection fXand I'marked correctly.

    ,/,/ \

    \ ,/ \\ I \

    / \ \ ) a/

    K1KIN1

    3

    11. a) 73"+ l"b)

    M1

    l/ R P

    N1

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    a Marking Scheme FullMarks

    Correctconstruction or 60oLine segment Q: 5 cm rCorrectconstruction or theperpendicular isectorQRDiagramcomplete

    K1K1K1N1

    f,

    12. 3(3a)_ a-46a2 6a2

    equivalent

    9a - (a -4 ) 9a-a+ 4o r ro r6a' 6u

    8a+46"t

    or equNalent

    4 a + 2-:-3a '

    K1

    K1

    N1

    3

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    a Marking Scheme FullMarks13. P1

    P1

    NI

    3

    t4. a) -11

    b) 3r -2r : 18: t -2l6 0 r 3 t - t : -2+18o rN1

    KIN1

    3

    15. a)b)

    , 1h'a 3 3 6z m n4n7

    8m'noN1KIN1

    3

    16. (2 x 5)1 * (2')i o, J1000I52

    or3+ 1 t _ lx z -

    '1- ; ^ n - 1o r > - x 2 " o r 5 -

    J6xor

    Ji"ns o,25

    25x25

    KI

    K1

    N1

    3

    t7. J r-3-2 , -1 ,0

    KIKINI

    3

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    a Marking Scheme FullMarks18. a)7,::#*nnn

    b) {x100 or !x1001080

    Note Seen25 + 15 or 40.siveKl

    P1

    K1

    N1

    3

    19. a) Uniform scaleon they-axisb) All 7 pointscorrectlyplottedc) Smoothcurvepasseshroughall the 7 pointsNo te : 1. Allow K2 if pointsarenot plottedbut curvepassesthroughall the 7 points2. 5 or 6 pointsplottedcorrectlyor curvepasseshrough5 or 6 points,awardKl r3. If scale s not written but al l the points plottedcorrectly,awardK1K2.4. For otherscaleon they-axis, deduct mark from totalmarksobtained.

    K1K2N1

    4

    20 l 0 x 150 0010045 0004- x 10500060000

    a) 150 00 - 105 00

    b) equivalent

    K1

    NI

    K1N1

    4

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