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SULIT JABATAN PELAJARAN PERAK PEPERIKSAAN PERCUBAAN PMR TAHUN 2010 MATHEMATICS 50 September 2010

MATHEMATICS

PERATURAN PEMARKAHAN

MARKING SCHEME MATHEMATICS PAPER 2

No Solution and Mark Scheme Sub

Mark

Full

Mark

1 376

1537

or equivalent

52

K1

N1

2

2 (a) 278

(b) 3

631

or 23

8

K1

K1

N1

3

3

M

P

Q

Image correct

Note:

1. Award N1:

Any two sides drawn correctly or

Correct image drawn using dotted lines or

N2

No Solution and Mark Scheme Sub

Mark

Full

Mark

Correct image drawn by sketching

2. Allow gaps or extension lines 41

of the square grid.

2

4

(a) Clockwise // Arah jam

(b) ( – 1, 2) or marked on the diagram

P1

P1

2

5

C H

GF

ED

K

J

C H

GF

ED

K

J

No Solution and Mark Scheme Sub

Mark

Full

Mark

Quadrilateral JKLMNO drawn correctly

Note:

1. Award N1

Any one corresponding side drawn correctly or

Correct image drawn using dotted line or

Correct image drawn by sketching

N2

2

6

4x = 3y + 5

4

53

yx or 45

43

yx

P1

N1

2

7

(a) y = – 9 (b) 2m = – 14

m = – 7

N1

K1

N1

3

8

6(x2 – 4 )

6( x – 2)(x + 2)

P1

N1

2

9

(a) 3 – 4y

(b) 7x + 2y – 4x + 4y

3x + 6y

N1

K1

N1

3

No Solution and Mark Scheme Sub

Mark

Full

Mark

10

3 corresponding sides correctly drawn Complete diagram with correct scale Note:

1. 2 corresponding sides correct – award K1

K2 N1

3

11

A

BC

No Solution and Mark Scheme Sub

Mark

Full

Mark

(a) (i) locus of X correctly drawn

(ii) locus of Y correctly drawn

(b) Intersection correctly marked

K1

K1

N1

3

12

3m – (2 – 3m) or equivalent

mnm

1226 or equivalent

mnm6

13

K1

K1

N1

3

13

x < 3

2x Note: 32 x award K2 –2, –1, 0, 1, 2

K1

K1

N1

3

14

(a) 70o

(b) 48

3

PS

PS = 6

Note : 6 seen on the diagram – award K2 QS = 3

N1

K1

K1

N1

4

No Solution and Mark Scheme Sub

Mark

Full

Mark

15 (a) History = 95o

Geography = 80o

(b) Any two sector drawn correctly

Pie chart drawn completely and labelled correctly

Note: No label/ wrongly label – N0

Accuracy 1

N1

N1

K2

N1

5

16

(a) Correct and uniform scale

(b) All 7 points plotted correctly

(c) Smooth curve passing through 7 plotted points

Note:

1. 5 or 6 points plotted correctly - K1N0

2. For other scale used, deduct 1 mark from K2N1

K1

K2

N1

4

17

(a) 58o 1o

(b) Construct 60o at P correctly

Construct 90o at Q correctly

Construct line segment QR = 5 cm

Construct line segment PS = line PQ

Diagram drawn complete and correct

N1

K1

K1

K1

K1

N1

6

No Solution and Mark Scheme Sub

Mark

Full

Mark

18 (a) k3

(b) p2q6 or p2 – 2 or q6 – 4

q2

N1

K1

N1

3

19

2

11 33 or 2

134 or 2

12 32

21

1 363 or 63 or 121

23

23

or 12 23 or 9 × 2 18

K1

K1

N1

3

20

QS = 6 or PQ = 12 or seen on the diagram

13

P1

N1

2

- 1- 2 10 2 3 4x

10

8

6

4

2

-2

PMR Trial 2010 Math2 (perak)math ans