19
MAJLIS PENGETUA SEKOLAH MENENGAH CAWANGAN KLANG PERATURAN PERMARKAHAN MODUL ITEM BERFOKUS (1) DAERAH KLANG SIJIL PELAJARAN MALAYSIA 2012 ______________________________________________________ MATHEMATICS 1449 KERTAS 1 dan KERTAS 2 ______________________________________________________ Jum lah M arkah = 1 2 100% 140 K ertas K ertas

Skema Matematik k1 & k2 Mibf Spm 2012 Set1

Embed Size (px)

Citation preview

Skema jawapan ini mengandungi 14 halaman bercetak.

MAJLIS PENGETUA SEKOLAH MENENGAH CAWANGAN KLANG

PERATURAN PERMARKAHANMODUL ITEM BERFOKUS (1) DAERAH KLANG

SIJIL PELAJARAN MALAYSIA 2012

______________________________________________________

MATHEMATICS 1449KERTAS 1 dan KERTAS 2

______________________________________________________

Jumlah Markah =

1 2100%

140

Kertas Kertas

MODUL ITEM BERFOKUS (1) DAERAH KLANGSIJIL PELAJARAN MALAYSIA 2012

MATHEMATICS 1449

SIFIR MARKAH

1 .= 1% 31 .= 22% 61 .= 44% 91 .= 65% 121 .= 86%2 .= 1% 32 .= 23% 62 .= 44% 92 .= 66% 122 .= 87%3 .= 2% 33 .= 24% 63 .= 45% 93 .= 66% 123 .= 88%4 .= 3% 34 .= 24% 64 .= 46% 94 .= 67% 124 .= 89%5 .= 4% 35 .= 25% 65 .= 46% 95 .= 68% 125 .= 89%6 .= 4% 36 .= 26% 66 .= 47% 96 .= 69% 126 .= 90%7 .= 5% 37 .= 26% 67 .= 48% 97 .= 69% 127 .= 91%8 .= 6% 38 .= 27% 68 .= 49% 98 .= 70% 128 .= 91%9 .= 6% 39 .= 28% 69 .= 49% 99 .= 71% 129 .= 92%10 .= 7% 40 .= 29% 70 .= 50% 100 .= 71% 130 .= 93%11 .= 8% 41 .= 29% 71 .= 51% 101 .= 72% 131 .= 94%12 .= 9% 42 .= 30% 72 .= 51% 102 .= 73% 132 .= 94%13 .= 9% 43 .= 31% 73 .= 52% 103 .= 74% 133 .= 95%14 .= 10% 44 .= 31% 74 .= 53% 104 .= 74% 134 .= 96%15 .= 11% 45 .= 32% 75 .= 54% 105 .= 75% 135 .= 96%16 .= 11% 46 .= 33% 76 .= 54% 106 .= 76% 136 .= 97%17 .= 12% 47 .= 34% 77 .= 55% 107 .= 76% 137 .= 98%18 .= 13% 48 .= 34% 78 .= 56% 108 .= 77% 138 .= 99%19 .= 14% 49 .= 35% 79 .= 56% 109 .= 78% 139 .= 99%20 .= 14% 50 .= 36% 80 .= 57% 110 .= 79% 140 .= 100%21 .= 15% 51 .= 36% 81 .= 58% 111 .= 79%22 .= 16% 52 .= 37% 82 .= 59% 112 .= 80%23 .= 16% 53 .= 38% 83 .= 59% 113 .= 81%24 .= 17% 54 .= 39% 84 .= 60% 114 .= 81%25 .= 18% 55 .= 39% 85 .= 61% 115 .= 82%26 .= 19% 56 .= 40% 86 .= 61% 116 .= 83%27 .= 19% 57 .= 41% 87 .= 62% 117 .= 84%28 .= 20% 58 .= 41% 88 .= 63% 118 .= 84%29 .= 21% 59 .= 42% 89 .= 64% 119 .= 85%30 .= 21% 60 .= 43% 90 .= 64% 120 .= 86%

MATHEMATICS (1449/1)PAPER 1

No Soalan

JawapanNo

SoalanJawapan

No Soalan

JawapanNo

SoalanJawapan

1 D 11 A 21 C 31 D2 B 12 A 22 A 32 C3 C 13 D 23 A 33 C4 D 14 D 24 D 34 B5 B 15 C 25 C 35 B6 A 16 C 26 A 36 C7 B 17 C 27 B 37 B8 B 18 A 28 D 38 D9 C 19 B 29 C 39 D10 A 20 A 30 A 40 B

MODUL ITEM BERFOKUS (1) PPD KLANG 2012

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

2

MATHEMATICS PAPER 2 (1449/2)

Section A[ 52 marks ]

No Marking Scheme MarksSubmarks Total Marks

1 (a) (i)

(ii)

(b) Draw the straight dotted line x = 2 Region shaded correctly

1 mark

2 marks

1 mark2 marks

6

2 16m + 4n = 12 or n = 3 4m or equivalent 9m = 18 or equivalent m = –2 dan n = 5

1 mark1 mark2 marks 4

3 1 mark

4

1 mark

2 marks

4 (a)

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

3

F

E

H

4

2

0−2−4 42

y = x + 1

x

x+ y =−2

y

−2

−4

6

R

P Q

PR

Q

No Marking Scheme MarksSubmarks Total Marks

Mark angle HBE1 mark

3

(b)

= 58 or 57.99O

1 mark

1 mark

5 (a) (i) Non-statement or not a statement(ii) Statement

(b) If then x = 8If x = 8 then

(c) All rectangles have four sides.

1 mark1 mark

1 mark1 mark

1 mark 5

6 (a) 3(0) + 4x = 24x = 6

(b) mPV = mOU =

3y 4(0) = 24 or y = 8 or c = 8 or V(0, 8)

1 mark1 mark

1 mark

1 mark

1 mark 5

7

1 mark

4

1 mark

1 mark

1 mark

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

4

D

CA

3 cm 8 cm

B

GE

4 cm

No Marking Scheme MarksSubmarks Total Marks

2646

8 (a)

=

1 mark

1 mark

5

(b) or equivalent 1 mark

x = 6 1 mark

y =

1 mark

Note :1. Accept only matrix method.

2. award 1 mark

9 (a)

or or 21.21

(b) or or

− −

or or 182.25

1 mark

1 mark

1 mark

1 mark

1 mark5

10 (a) (i) or

(ii) or or 1 −

or

1 mark

1 mark

1 mark

(b) (i) {1, 2, 3, 4, 7, 10, 12, 15} 1 mark

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

5

No Marking Scheme MarksSubmarks Total Marks

(ii) { 2, 4, 10, 12}

1 mark

1 mark

6

11 (a) 15 minutes

(b)

0.75 km min–1 or equivalent

(c) =1.5

t = 50

1 mark

1 mark

1 mark

1 mark

1 mark

5

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

6

Section B[ 48 marks ]

No Marking Scheme MarksSubmarks Total Marks

12(a) x 1.5 3

y 13.5 181 mark1 mark

12

(b)

Graph Axes are drawn in the correct direction,

uniform scale for 2.5 x 3.1 mark

7 points and 2 points* plotted accurately

Smooth and continuous curve without straight line(s) and passes through all the 9 correct points for 2.5 x 3.

Notes : (1) 7 or 8 points plotted correctly, award 1 mark

(2) Other scale being used, subtract 1 mark

2 marks

1 mark

(c)

(i) 3.45 < x < 3.55

(ii) 4.25 < y < 4.75

Note : Do not accept the values of x and y obtained by calculation.

1 mark

1 mark

(d)

Identify the equation or equivalentThe straight line drawn correctly

1 mark1 mark

The values of x : 2 < x < 2.1 2.6 < x < 2.5 Notes : (1) Award mark(s) if the value(s) of x shown on the graph. (2) Do not accept the value(s) of x obtained by calculation.

1 mark1 mark

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

7

x 2 1.5 1 0 1 1.5 2 3 4

y 23 13.5 6 3 4 1.5 3 18 41

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

8

x

54.564.574.5

x

y

Graph for question 12

Graf untuk Soalan 12

−15

−10

−20

−25

−40

−35

5

−45

0 1 432−1−2

−5

−30

No Marking Scheme MarksSubmarks Total Marks

13(a) x 1.5 4

y 14.7 5.51 mark1 mark

12

(b)

Graph Axes are drawn in the correct direction,

uniform scale for 0.5 x 7.1 mark

7 points and 2 points* plotted accurately

Smooth and continuous curve without straight line(s) and passes through all the 9 correct points for 0.5 x 7.

Notes : (1) 7 or 8 points plotted correctly, award 1 mark

(2) Other scale being used, subtract 1 mark

2 marks

1 mark

(c)

(i) 2.25 < x < 2.35

(ii) 4.5 < y < 5

Note : Do not accept the values of x and y obtained by calculation.

1 mark

1 mark

(d)

Identify the equation or equivalent The straight line drawn correctly

1 mark1 mark

The values of x : 2.40 < x < 2.50 3.8 < x < 3.9 Notes : (1) Award mark(s) if the value(s) of x shown on the graph. (2) Do not accept the value(s) of x obtained by calculation.

1 mark1 mark

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

9

x 0.5 1 1.5 2 3 4 5 6 7

y 44 22 14.7 11 7.3 5.5 4.4 3.7 3.1

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

10

54.564.574.5

x

y

Graph for question 13

Graf untuk Soalan 13

30

35

25

20

5

10

45

40

15

No Marking SchemeMarks

SubmarksTotal

Marks

14 (a) (i) (3, 3) (ii) (4, 3)

2 marks2 marks

(b) (i) (a) U = a reflection in the line y = 2 ( or straight line EF or KF or KEF)

Note : (1) reflection only, award 1 marks. (b) V = Enlargement, centre F, scale factor of 2 (note: accept centre (2, 2)

Note : (1) Enlargement, centre F or (2, 2), get 2 marks (2) Enlargement, scale factor 2, get 2 marks (3) Enlargement only, get 1 mark

(ii) Area of FKLMJN = 22 x 35 Area of shaded region = (22 x 35) − 35 = 105

2 marks

3 marks

1 mark

1 mark1 mark 12

15 (a) (i) (3, 2) (ii) (0, 2)

2 marks2 marks

(b) (i) (a) U = a 180º rotation, at centre E or (2,0) Note : (1) 180º rotation only, get 2 marks. (2) rotation at centre E or (2,0) only, get 2 marks. (3) rotation only, get 1 mark.

(b) V = Enlargement, centre (0, 0) or origin, scale factor 3

Note : (1) Enlargement, centre (0, 0) or origin get 2 marks (2) Enlargement, scale factor 3, get 2 marks (3) Enlargement only get 1 mark

(ii) Area of shaded region = 32 x 25 = 225

3 marks

3 marks

1 mark

1 mark12

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

11

x0 4 76521 3

No Marking SchemeMarks

SubmarksTotal

Marks

No Marking SchemeMarks

SubmarksTotal

Marks

16 a) Column I Column II Column IIIUpper BoundarySempadan atas

Midpoint Titik tengah

Cumulative Frequency Kekerapan Longgokan

10.5 8 0

15.5 13 2

20.5 18 7

25.5 23 14

30.5 28 24

35.5 33 39

40.5 38 46

45.5 43 48

Column I All correct: 1 mark

Column II :All correct: 1 mark

Column III All correct: 2 marks

Note for column III:(6 correct: 1 mark)

b) 2 marks

= 32.42 1 mark

c) graph: - uniform scale and correct axis direction - 7 points correctly plotted - smooth curve of ogive

1 mark2 marks1 mark

d) 48 – 38* = 10 1 mark 12

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

12

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

13

1449 @ Hak Cipta MPSM Cawangan Klang Sulit

14

0

30.5 Time (hours)

10.5 35.5 40.525.520.515.5 45.5

Graph for question 16

Graf untuk soalan 16

Cumulative frequency

5

45

40

35

30

25

20

15

10

50