7/31/2019 Trial Mathematics Pmr 2012 Selangor Paper 2 Answer

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Kertas 2

PROGRAM PENINGKATAN PRESTASI AKADEMIK

PEPERIKSAAN PERCUBAAN

PENILAIAN MENENGAH RENDAH 2012

MARKING SCHEME

MATHEMATICS

PAPER 2

Item Marking Scheme Marks

1 100-36 KI

MPSMJABATAN PELAJARAN NEGERI SELANGOR

MAJLIS PENGETUA SEKOLAH MENENGAH

7/31/2019 Trial Mathematics Pmr 2012 Selangor Paper 2 Answer

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Kertas 2

Item Marking Scheme Marks

64

See 6 P1

NI 2

24

5K1

5

2NI 2

3(a) 7 P1

3(b)

5

225 K1

10

See 25 or5

2- P1

NI 3

4 Enlargement,

Scale Factor(k) = 3

P1P1

Centre (2,12) P1 3

5 N2 2

E

F

H

E

F

G

H

G

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Kertas 2

Item Marking Scheme Marks

Reflection axis must be at least from EE and HH (3 diagonals)

Award NI if :-i) Axis drawn correctly using dotted lineii) Sketched reflection axis drawn

Notes :-1) Ignore label

2) Allowed extention/gaps4

1

6

3

3

+=

=

yzx

yzx K1

N1 2

7(a)

7(b)

7=n

4

123124

=

==

k

korkk

N1

K1

N1 3

8(a)

8(b)

)13(3 kj

)3)(3(3

)9(3 22

yxyx

yx

+

Accept direct answer- KIN1

N1

K1

N1 3

9

2

222 44

c

ddc + N1

N1 2

10

p

p

p

por

p

p

p

pp

2

1

14

)1(7

14

77

14

572

+ K1

K1

N1

3

11

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Kertas 2

Item Marking Scheme Marks

Correct shape of polygon.Polygon drawn by using correct scale (correct proportion).Draw a full drawing.

Deduct 1 mark if :-i) Polygon drawn correctly using dotted lineii) Sketching polygon

Note :-

Allowed extention/gaps4

1

KIK1

NI 3

12 a) ROP orRP orR to P orline ROP orline ROPNotes :-No mark if locusX= M and K

Award PI if only locuxXdrawn

bi) Locus Y drawn correctlyii) Locus Z drawn correctly

c) Both intersection point mark correctly

Notes :-i. Ignore labelii. Wrongly label K0iii. Sketch locus deduct 1 mark from Kiv. More than 3 locus drawn - deduct 1 mark from K

v. Using dotted lines - deduct 1 mark from K

P2

KIK1

N1

5

S

P

Q

R

O

K L

MN

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Kertas 2

Item Marking Scheme Marks

13

Correct shape ofpyramid.Polygon drawn byusing correct scale

(correct proportion).

Draw a full drawing.

Deduct 1 mark if :-i) Pyramid drawn correctly using dotted lineii) Sketching pyramid

Note :-

Allowed extention/gaps4

1

KIK1

N1 3

14

Mon Tue Wed Thu Fri

K2

Numberofloaves

ofbread

Day

20

40

60

80

100

120

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Kertas 2

Item Marking Scheme Marks

All 5 points correctly plotted/markedLines graph correctly drawn

Notes:-

Award N1 if only two points correctly plotted/marked

N1 3

15 p

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Kertas 2

Item Marking Scheme Marks

Note: all the above comes from the right sourceN1

-10

60

50

40

30

20

10

-40

-30

-20

y

x3210123