SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS...

13
SULIT 1449/2(GMP) 1449/2(GMP) Mathematics Kertas 2 ( Set 1 ) Peraturan Pemarkahan 2017 SKEMA PRAKTIS BESTARI PROJEK JAWAB UNTUK JAYA (JUJ) 2017 MATHEMATICS Kertas 2 SET 1 PERATURAN PEMARKAHAN UNTUK KEGUNAAN GURU MATA PELAJARAN SAHAJA Peraturan pemarkahan ini mengandungi 13 halaman bercetak [Lihat halaman sebelah 1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

Transcript of SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS...

Page 1: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 1449/2(GMP)

1449/2(GMP)

Mathematics

Kertas 2 ( Set 1 )

Peraturan

Pemarkahan

2017

SKEMA PRAKTIS BESTARI

PROJEK JAWAB UNTUK JAYA (JUJ) 2017

MATHEMATICS

Kertas 2

SET 1

PERATURAN PEMARKAHAN

UNTUK KEGUNAAN GURU MATA PELAJARAN SAHAJA

Peraturan pemarkahan ini mengandungi 13 halaman bercetak

[Lihat halaman sebelah

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

Page 2: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 2 1449/2(GMP)

Question Solution and Mark Scheme Marks

1(a)

(b)

P1

P2

3

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang

L

K M

K L

M

Page 3: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 3 1449/2(GMP)

Question Solution and Mark Scheme Marks

2

(3x + 2)2 = ½ (4x + 8)4x

x2 - 4x + 4 = 0

(x – 2)(x-2)

Perimeter = 32

K1

K1

KI

N1

4

3

p + 2q = - 9 ------------ (1)

(1) × 5

5p + 10q = - 45 ------------ (2)

5p - q = - 1 ------------ (3)

(2) - (3),

11q = -44

q = - 4

5p + 4 = - 1

5p = - 5

p = -1

∴ p = -1, q = - 4

K1

K1

N1N1

4

[ Lihat halaman sebelah

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

Page 4: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 4 1449/2(GMP)

Question Solution and Mark Scheme Marks

4 (a) ∠SVR

(b) tan ∠SVR =

11

9

∠SVR = tan−1 11

9

= 39.29° or 39o 19’

P1

K1

N1

3

5

3

4m

C )1(3

48 or C )5(

3

40

C = 3

20

3

20

3

4 xy

DF = 6 unit or DE = 8 unit or EF = 10 unit

Coordinate of point G is (5, 10)

P1

K1

K1

K1

N1

5

6

= 6 × (10 × 3 × 2)

= 360 𝑐𝑚3

= 4

3

22

7× 0.53

= 0.52

= 40 0.52

= 20.8

= 360 𝑐𝑚3 20.8

= 17.31 17 necklaces

K1

K1

K1

N1

4

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

Page 5: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 5 1449/2(GMP)

Question Solution and Mark Scheme Marks

7

(a) i. True

ii. False

(b) Implication 1 : If 15x > 45 then x > 3

Implication 2 : If x > 3 then 15 x > 45

(c) ABCD is a trapezium

P1

P1

P1

P1

P1

5

8. m = 5 , k = -9

(4 39 8

) (𝑥𝑦) = (

611

)

(𝑥𝑦) =

1

4(8) − 3(9)(

8 −3−9 4

) (6

11)

(𝑥𝑦) = (

3−2

)

𝑥 = 3 𝑦 = −2

P1,P1

P1

K1

N1N1

6

9.

)7()7

22()2(

2

1)14()

7

22()2(

360

240or

)7()7

22()2(

2

1)14()

7

22()2(

360

24014

= 94.67

)14)(14()7

22(

360

240 or )7)(7()7

22(

2

1

)14)(14()7

22(

360

240 )7)(7()7

22(

2

1

= 333.67

K1

K1

N1

K1

K1

N1

6

[ Lihat halaman sebelah

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

Page 6: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 6 1449/2(GMP)

Question Solution and Mark Scheme Marks

10

(a) (E,2) (E,0) (E,1) (E,7) (X,2) (X,0) (X,1) (X,7) (A,2) (A,0) (A,1)

(A,7) (M,2) (M,0) (M,1)(M,7)

(b) (i) (E,2) (A,2)

1

8

(ii) (E,1) (E,7) (X,1) (X,7) (A,1) (A,7) (M,2) (M,0) (M,1) (M,7)

5

8

P2

K1

N1

K1

N1

6

11 (a) 8 – 5 = 3

(b) 05

050

= 10

(c) 105050

k

k = 10

P1

K1

N1

K1

N1

5

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

Page 7: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 7 1449/2(GMP)

Question Solution and Mark Scheme Marks

12

(a)

(b)

(c)

(d)

Graph

Axes are drawn in the correct direction, uniform scale for

-5 x 3.

7 points and 2 points* plotted accurately

Smooth and continuous curve without straight line(s) and

passes through all the 9 correct points for -5 x 3.

(i) 6 < y < 8

(ii) 2.6 < x < 2.7, -3.0 < x < -3.1

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

The straight line y = 7x + 30 drawn correctly

Identify the equation y = 7x + 30 or equivalent award K1

The value of x: -2.9 < x < - 2.7

x -3.5 0.5

y 23.25 - 8.75

P1P1

P1

K2

N1

P1

P1P1

K2

N1

[ Lihat halaman sebelah

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

12

Page 8: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 8 1449/2(GMP)

Question Solution and Mark Scheme Marks

13(a)

(i)

(ii)

(b)(i)

(ii)

( 0, - 2 )

( 4 , - 1 )

( 6 , 2 ) seen or plot on graph award K1

M : Rotation 900 , anticlockwise, at ( 0, - 3 )

N : Enlargement with scale factor 3 at centre E

( 32 x 35 ) - 35

280 m2

P1

P2

P3

P3

K2

N1

14.

(a)

(b)

Column I Column II Column III

Weight

Berat

Midpoint

Titik tengah

Frequency

Kekerapan

30 – 39 34.5 2

40 – 49 44.5 6

50 – 59 54.5 7

60 – 69 64.5 10

70 – 79 74.5 8

80 – 89 84.5 4

90 – 99 94.5 3

Column I (all class interval correct)

Column II (all midpoint correct)

Column III (all frequency correct)

40

)3(5.94)4(5.84)8(5.74)10(5.64)7(5.54)6(5.44)2(5.34

64.50

P1

P1

P2

K2

N1

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

12

Page 9: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 9 1449/2(GMP)

Question Solution and Mark Scheme Marks

(c)

(d)

Refer graph:

Axes drawn in the correct directions with uniform scales,

for 29.5 ≤ x ≤ 99.5 and 0 ≤ y ≤ 10.

Horizontal axis labelled by using upper boundary ormidpoint or class

interval and 7* bars drawn correctly

Histogram drawn correctly

Note :

1. 5 or 6 bars drawn correctly award K1

2. Other uniformed scales used award N0.

The modal class is 60 – 69 or

any correct information about the weight of meat sold each day.

P1

K2

N1

K1

15

(a)

The shape must be correct. All lines must be fully drawn.

Measurement must be accurate to 0.2 cm and all angles = 90o 1

*Note: The shape is correctly drawn award 1 m

K1

K1

N1

[ Lihat halaman sebelah

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

12

6 cm

T/S X/R

U/P V

Y/Q

2 cm 2 cm W

Page 10: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

X/W Y/I

R/S

H/E G/F

Q/P

V

U T

2 cm

3 cm

1 cm 4 cm

6 cm

SULIT 10 1449/2(GMP)

Question Solution and Mark Scheme Marks

(b)(i)

The shape must be correct. All lines must be fully drawn.

Measurement must be accurate to 0.2 cm and all angles = 90o 1

*Note: The shape is correctly drawn award 1 m

(ii)

The shape must be right with the rectangles. All lines included the dotted

lines must be shown completely.

Measurement must be accurate to 0.2 cm and all angles at rectangle

vertex = 90o 1

*Note: The shape is correctly drawn award 1 m

K1K1

N2

K1K1K1

N2

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

V/I/W Y/X

G/H

Q/R P/S

F/E

U/T 4 cm

1 cm

4 cm

3 cm

2 cm

12

Page 11: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 11 1449/2(GMP)

Question Solution and Mark Scheme Marks

16

(a)

(b) R(46oU , 110oT)

(c) (i) (70 +110) 60 kos 46 + 2760

10262.3

(ii). 600

3.10262

17.10

P1 P1

P1

P1P1P1

K1K1K1

N1

K1

N1

[Lihat Sebelah

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

P

Q R

12

Page 12: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 12 1449/2(GMP)

1449/2(GMP) © 2017 Hak Cipta JUJ Pahang SULIT

y

x

60

50

40

30

20

10

0

-10

-20

-30

-40

-5 - 4 - 3 - 2 - 1 1 2 3

Page 13: SULIT 1449/2(GMP) 1449/2(GMP) SKEMA PRAKTIS …sumberpendidikan.com/wp-content/uploads/2017/08/jawapan-matemati… · skema praktis bestari . projek jawab untuk jaya (juj) 2017 .

SULIT 13 1449/2(GMP)

Question 14 Histogram

34.5 44.5 54.5 64.5 74.5 84.5 94.5

94.5

1

2

3

4

5

6

7

8

9

10

0

Frequency

Weight