Percubaan Pmr Perak 2008 - Maths Paper 2 (ans)

SchemeMath 5012 PeperiksaanPercubaan2008 Mathematics 5012 Negeri Perak

1

Marks

Marking Scheme

Question

2(41)-14

K1

or 82-14

N1

68

2

2

3(a) (b)

0 . 3 6 or

K1

1.44 4

i.86

N1

1.69

NI

1

1

- \ t

F \ /

!(q -gY or I (- s)' or )

)

- r25 a

)

K1

N1

-25

4

12 o r ^z 2 55

2

or 2 . 4

.'t

J

P2 2

Note : Heightof triangle: l2 or seenin diagramgetsP 1

5

Axis drawn correctly

P2

Note: l) Accept axis drawn at least2 corcectdiagonals. 2) Accept dottedaxis.

Give Pl if only 3 dots shown or diagonalof one square only or sketchof axis

2

P1

6(aXi)

Mark seenat ( 1, 8 ) or writtenR(

8)

(ii)

90oanticlockwiseI 270"clockwise

PI

6(b)

Image correctlydrawn (with or without labelling).

P2

Note: Give Pl for: (i) sketchof image (ii) one side correct (iii)

1^ G and H markedwith accuracy( - o t a 4 square. 4

7

Any two sidescorrectlydrawn

K1

Correctshape

K1

Accuratedrawing

N1

Note: Accept sketch or dotted answer

KlKlNO a J

8

9

CD : 4 andBD : 5 or valuesshown in diagram or BC : 3

K1

8

N1

2kn- n: k or -k:n-2kn n(2k-2):k or - k : n ( l - 2 k ) k 2 k- 1

K1 K1

2

N1 a

J

l0(a) (b)

2x(y -8)

N1

4(p'-4) or 4(p' - 2') or (2p+QQp-4) a@+2)(p-2)

KI NI J

l1 (aXi) (a)(ii) (b)

Constructionof 30o Arc PR: 8 cm Triangle PQR drawn accui'ately Perpendicularline RT constructed 3 . 9+ 0 . 1

K1 KI KI K1 N1 5

t2

5 3 r - r- 5 2 r + I2 3 x - I - 2 x + 2

K1 a J

N1 9n - (2-5n) or 36mn - 4p (.2-5n\ 48m"n or 56mn; 8m 14n-2 48m'n

13

a

KI KI N1

7n-1 6mn -t

J

I -.-r i

14

././'-)

.

K1

I -l , t1.2 J'tz

K1

I

^l J'

_or_ 44

15 (a) (b)

t 6 (a) (b) (i)

l; VJ

N1

N1

-L a

3x-2x:12+4 T6

or 2x-3x:-4-12

or 6x-4x:24+8

KI N1

PM Note : Only line drawn in the diagramgetsP 1

P2

Arc drawn (completesemi circie),with centreQ and radius units

K1

(ii) Locus correctlydrawn (c)

I correctlymarked Note: i. ii. iii.

.,

J

3

K1 N1

Don't acceptroughdrawing. If loci drawnwith dottedline, deduct1 mark. If more than two loci drawn, give marks for the besttwo answers.

5

t7

KI

4"360

100' seen

l8

19 360 1 8"

200" seen

1 " 3 6 0 or

60o seen

l8

Any one sectorcolrectly drawn and labelled All sectorscoirectlydrawn and labelled

18 92 +2gh

+h2 or

-2gh+h2

20

3x<-9

K1 KI NI 5

K1 N1

92 + 2h2

19

K1

2 or 9<-3x

K1

x<-3

N1

Both axescorrectlylabelled, using correctand uniform scales. (Refer to appendix1)

K1

All 7 points plotted correctlY

Y\2

2

Note: 5 or 6 points plottedcorrectly,give Kl N0 Smooth curve passingthrough 7 plotted points Note : For other scaleused,deduct 1 mark from K2Nl

N1 4

Appendix I Question20