Name : …………………………………………………… 0 Form : …………………………………………………….

SMKA NAIM LILBANAT 15150 KOTA BHARU KELANTAN. “SEKOLAH BERPRESTASI TINGGI”

PEPERIKSAAN PERCUBAAN SPM 2014

3472/1

ADDITIONAL MATHEMATICS Kertas 1

2 Jam

2 Jam

Untuk Kegunaan Pemeriksa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Markah Penuh 2 3 3 4 3 3 4 3 3 2 4 3 2 3 4 3 3 3 4 3 3 4 4 4 3

JUMLAH

80

Soalan Arahan: 1. Kertas soalan ini mengandungi 25 Soalan. 2. Jawab semua soalan. 3. Tulis jawapan anda dalam ruang yang disediakan dalam kertas soalan. 4. Tunjukkan langkah-langkah penting dalam kerja mengira anda. Ini boleh membantu anda untuk mendapatkan markah. 5. Anda dibenarkan menggunakan kakkulator saintifik.

Kertas soalan ini mengandungi 12 halaman bercetak. 3472/1

3472/1

Markah Diperoleh

1 (Answer all questions) Jawab semua soalan

1. Diagram 1 shows the graph of function f (x)  x  1 . Rajah 1 menunjukkan graf bagi fungsi f ( x)  x  1 ,

f(x) 4 3 2

● ● ●

1 O



1 2 3 4 Diagram 1 / Rajah 1

x

State/ Nyatakan (a) f(2) -1

(b) f (3)

[ 2 Markah]

Answer / Jawapan : (a) 1 (b) 2 2. Given the function g( x )  Diberi fungsi g( x ) 

17 ,x  p 2x  5

17 ,x  p, 2x  5

Find / Cari (a) the value of p nilai p.

1 (b) the value of k such that g 1 ( )  k k 1 nilai k dengan keadaan g 1 ( )  k k

Answer / Jawapan: 2

(a) (b)

3

3472/1

[3 markah]

2 3.

Given that the function f : x  4k  5x , where k is a constant. Find the value of k such that f 1 (2k)  3 Diberi bahawa fungsi f : x  4k  5x , dengan keadaan k ialah pemalar. Cari nilai k 1 dengan keadaan f (2k)  3 [3 markah] Answer / Jawapan :

3 3 4.

The quadratic equation 2x 2  px  m  3  0 has a sum of roots of 3. 2 Persamaan kuadratik 2x  px  m  3  0 mempunyai hasil tambah punca 3. (a) Find the value of p. Cari nilai p.

(b) Hence, find the range of value of m if the quadratic equation has no root. Seterusnya, cari julat nilai m jika persamaan kuadratik itu tidak mempunyai punca .

[4 markah] Answer / Jawapan :

4 4

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3 5.

Sketch the graph of the function g(x)  (x  2) 2  7 on the given axes. 2 Lakar pada paksi-paksi yang diberi, graf fungsi kuadratik g(x)  (x  2)  7 , g (x) Answer / Jawapan :

5

x

O

[3 markah]

3 6. Given that h(x)  2x 2  5x  4 . Find the range of values of x if h(x) ≥ 8. 2 Diberi h(x)  2x  5x  4 . Cari julat nilai x apabila h(x) ≥ 8.

[3 markah] Answer / Jawapan :

6 3 7. Solve the equation : Selesaikan persamaan:

Answer / Jawapan :

7 4

3472/1

2 x + 3 – 10( 2x - 1 ) =

3 4

[4 markah]

4 8.

Solve the equation log 3 3x  2  log 3 (7x  5) Selesaikan persamaan log 3 3x  2  log 3 (7x  5) Answer / Jawapan

[3 markah]

8 3 9.

 4y 3   in terms of m and n. Given that log 2 x  m and log 2 y  n , express log 8  x    4y 3 

Diberi log 2 x  m dan log 2 y  n , ungkapkan log 8  dalam sebutan m dan n.  x   

Answer / Jawapan : [3 markah]

9 3 10.

The first three terms of a geometric progression are 18, 6 and p - 1. Tiga sebutan pertama bagi suatu janjang geometri ialah, 18, 6 dan p - 1.

Find the value of p. Cari nilai p

[2 markah]

Answer / Jawapan :

10 2

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5 11. The fifth term of an arithmetic progression is 17. The sum of the first four terms is 38. Find the seventh term of the arithmetic progression. Sebutan kelima suatu janjang aritmetik ialah 17. Hasil tambah empat sebutan pertama ialah 38. Cari sebutan ketujuh bagi janjang aritmetik itu.

[4 markah] Answer / Jawapan :

11 4

12. The first term of geometric progression is 8 and the common ratio is

1 . 2

Find the sum from the forth term to the nine term of the progression. Sebutan pertama bagi janjang geometri ialah 8 dan nisbah sepunya ialah

1 . 2

Cari hasil tambah dari sebutan keempat hingga sebutan kesembilan janjang itu.

[3 markah] Answer / Jawapan :

12 3

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6

13. Given that m, -4, -1 are the first three terms of an arithmetic progression. Express the eighth term of the progression in terms of m. Diberi m, -4, -1 ialah tiga sebutan pertama suatu janjang aritmetik. Ungkapkan sebutan kelapan janjang itu dalam sebutan m.

[2 markah]

13 2 14. Diagram 14, shows the straight line

x y   1 intersects the x-axis at P and 12 8

y-axis at Q. The straight line ST is perpendicular to the straight line PQ. Rajah 14 menunjukkan garis lurus menyilang paksi-x di P dan paksi-y di Q. Garis lurus ST berserenjang dengan garis lurus PQ. y



Q ● S(8,

●T

O

5)

P

x

x

Diagram 14/ Rajah 14

(a) Find the gradient of the straight line PQ. Cari kecerunan bagi garis lurus PQ.

(b) Hence, find the equation of the straight line ST. Seterusnya cari persamaan garis lurus ST.

Answer / Jawapan

[3 markah] 14 3

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7 15   5   , find. 15. Given a    and b   ~ ~  m  1 8  15   5  , cari  dan b    ~ 8   m  1

Diberi a    ~

(a) the unit vector in the direction of a ~

vector unit dalam arah

a ~

(b) the value of m such that a and b are parallel. ~

nilai m dengan keadaan

~

[4 markah]

a dan b adalah selari. ~

~

Answer / Jawapan :

15 4 

16.



Diagram 16 shows two vectors OP and OQ on a Cartesian plane. 



Rajah 16 menunjukkan dua vektor OP dan OQ pada satah Cartesan.

P(-6, 9)



(a) State OP in the form xi  y j

y

.

Q(4, 3)

O

x

Diagram 16/ Rajah 16



Nyatakan OP dalam sebutan xi  y j

x (b) Express PQ in the form   y Ungkapkan

PQ dalam bentuk  x  y  

[3 markah] Answer / Jawapan : (a)

(b)

16 3

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8 Given tan   p ,  is an acute angle. Diberi tan   p ,  ialah sudut tirus.

17.

Find/ Cari, (a) cos  cos  (b) cosec 2  kosek 2 

[3 markah]

Answer / Jawapan (a)

(b) 17 3 Diagram 18 shows a sector KOL with centre O, and has a radius of 8 cm. Given that HL = GK = 2 cm.

18.

Rajah 18 menunjukkan sebuah sektor bulatan KOL berpusat O dengan jejari 8 cm. Diberi HL = GK = 2 cm.

Calculate the area, in cm2, of the shaded region. Hitung luas, dalam cm2, bagi kawasan berlorek.

K G 3  4

O

H

L

Diagram 18 / Rajah 18

[3 markah] Answer / Jawapan :

18 3

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9 19. The point P (2,4) lies on the curve y  2x 2  5x . Titik P (2,4) terletak pada lengkung y  2x 2  5x .

Find / cari, (a) the gradient of the tangent to the curve at point P. kecerunan tangen kepada lengkung di titik P.

(b) the equation of the normal to the curve at point P. persamaan normal kepada lengkung di titik P.

[4 markah] Answer / Jawapan : (a)

(b)

19 4 20. Diagram 20 shows the curve y = 3x2 + 1 and a straight line x = k. If the area of the shaded region is 5k unit2, find the value of k. Rajah 20 menunjukkan lengkung y = 3x2 + 1 dan garis lurus x = k. Jika luas rantau berlorek ialah 5k unit2, cari nilai k.

[3 markah] Answer / Jawapan : y xk y  3x 2  1

x

O Diagram 20/ Rajah 20

20 3

3472/1

10 4

21.

4

Given  f ( x )dx  5 and  [f ( x )  3]dx  11 , find the value of k. k

Diberi

k

4

4

k

k

 f (x)dx  5 dan  [f (x)  3]dx  11 ,

cari nilai k.

[3 markah ] Answer / Jawapan :

21 3 22.

The mean of a set numbers, x+4, 2x+5, 2x-1, x +7 and x – 3 is 8. Min bagi set nombor, x+4, 2x+5, 2x-1, x +7 dan x – 3 ialah 8.

(a) Find the value of x Cari nilai x.

(b) Find the variance of the set of numbers. Cari varians bagi set nombor itu.

[4 markah] Answer / Jawapan (a)

(b)

22 4

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11 23. A group of students which consists of 3 boys and 5 girls to be arrange in a row. Calculate the number of possible ways if, Sekumpulan murid yang terdiri daripada 3 orang murid lelaki dan 5 orang murid perempuan hendak disusun dalam satu baris. Hitungkan bilangan cara susunan berlainan yang mungkin jika,

(a) no condition is imposed tiada syarat dikenakan

(b) all the girls sit next to each other. semua murid perempuan duduk bersebelahan antara satu sama lain

[4 markah] Answer / Jawapan : (a) . .

(b)

23 4 24. The probability that a bomb dropped by a warplane will hit the target is 0.6. Kebarangkalian bahawa sebiji bom yang dijatuhkan oleh sebuah kapal terbang pejuang akan mengena sasaran ialah 0.6.

(a) If five bombs are dropped by the plane, calculate the probability that exactly two of them will hit the target. Jika lima biji bom dijatuhkan oleh kapal terbang itu, hitung kebarangkalian bahawa tepat dua daripadanya mengena sasaran.

(b) Find the minimum number of bombs that must be dropped so that the probability of hitting the target at least once is larger than 0.99. Cari bilangan minimum bom yang mesti dijatuhkan supaya kebarangkalian bom itu mengena sasaran sekurang-kurangnya sekali adalah lebih besar daripada 0.99.

[4 markah] Answer/ Jawapan: (a) 24 4

3472/1

(b)

12 25. Diagram 25 shows a standard normal distribution graph. Rajah 25 menunjukkan satu graf taburan normal piawai.

Given the probability of the shaded region is 0.3023. Diberi kebarangkalian kawasan berlorek ialah 0.3023.

Find / Cari (a) P(Z< t). (b) X is a random variable of a normal distribution with a mean of 36 and a variance of 25. Find the value of X when z-score = t. X ialah pembolehubah rawak bagi suatu taburan normal dengan min 36 dan varians 25. Cari nilai X apabila skor-z ialah t.

f(z)

z t 0 Diagram 25/ Rajah 25 Answer / Jawapan :

[3 markah]

(a)

(b)

25 3

END OF QUESTIONS PAPER. KERTAS SOALAN TAMAT

3472/1

13 SEK. MEN. KEB. AGAMA NAIM LILBANAT PEPERIKSAAN PERCUBAAN SPM 2014 SKEMA PERMARKAHAN MATEMATIK TAMBAHAN KERTAS 1 No Solution and Mark Scheme 1 (a)

Sub Marks 1

1

2 (b)

4

1

(a)

5 2

1

(b) 2



2

1 3

B1 : g(k)  k or g 1 ( x ) 

B2 : 4k  5(3)  2k or

3

3

5x  17 2x

3

15 2

B1 : f (3)  2k or f

4

Total Marks

1

2 k  4k ) 3 5

(x) 

3

x  4k 5

(a)

6

1

(b)

3 2 B2 :  8m  12

3

m

B1 : B1 : B1 : B1 :

4

(6) 2  4(2)(m  3)  0 bentuk maksimum. melalui titik (2, 7) melalui titik (0, 3) f(x) 

(0, 3) 

O

3472/1

3

(2, 7)

5

7)

x

14

x  4, x  6

3 2

3

B2 :

(2x  3)(x  4)  0

B1 :

2x 2  5x  12 

3

2 B3 : 7

4

2x 

1 4

4

3 B2 : 2 (8  5)  4 x

1 2

B1 : 2 (2 )  10(2 ( )  x

3

x

3

1 4 8

3 4

 3x  2 3  7x  5 

B2 : 

B1 :

3

 3x  log 3    2  7x  5 

2  3n  m 3

3

2  3 log 2 y  log 2 x 3 3  4y   log 2  x   B1 : log 2 8

B2 : 9

3 10

3472/1

B1 :

3

2

p 1 6  6 18

2

15 T7=23

4

B3 : a  5 B2 : d  3

11

4

4 B1 : a  4d  17 or 2 (2a  3d)  38 63 or 1.96875 // 1.97 32

3

B2 : S9  S3 12

3

1 1 8(1  ( )9 8(1  ( )3 2 2 or S  B1 : S3  9 1 1 1 1 2 2

14 or m + 21 or -6m -28 B1 :

13

(a) (b) 14

m  7 d3

or 2

2 3

1

3 x7 2

2

m PQ   y

2

B1 : y 

3

3 3 x  c or y  5  ( x  8) 2 2

2 (a)

(b) 15

15 8 i j 17 ~ 17 ~

B1 : 152  82 5 m 3 B1 :

3472/1

15  5

2

or

m 1 8  5 15

4

16 

16 (a)

1

OP  6i  9 j

(b)   10   PQ    6     4   6 B1 : PQ    3    9     

17

(a)

2

3

1 1

1 p2 (b)

1  p2 2p

2

B1 : Cosec 2θ =

p 1 or sin   sin 2 1 p2

62.68 cm2 B2 :

75.408 – 12.7279

B1 :

1 2 3 (8 )( ) 2 4

18

19

3

(a)

3

(b)

1 10 y x 3 3

or

3

1 (6)(6) sin 135o 2 1

or 3y  x  10

3

1 1 y   x  c or y  4   ( x  2) 3 3 1 B1 : m 2   3

4

B2 :

k=2 B2 :

k 3  k  5k

or

x

3



3

k

 x 0  5k

k

20

B1 :

 (3x 0

3472/1

2

 1)dx  5k

3

17 3

k=2 21

(a)

B2 :

12  3k  6

B1 :

5  3x

3

x=4

2

16.8

2

7 x  12 B1 : 5 22

(b)

8, 13, 7, 11, 1

B1 : or

23

82  132  72  112  12 or 404

(a)

40 320 B1 : 8! or 8P8

2

(b)

2880

2

B1 :

0.2304

1

(b)

n=6

3

B2 : B1 :

(a) (b)

1  P(0)  0.99 or 0.4n  0.01 P(x  1)  0.99

B1 : - 0.85 =

4

1 2

0.1977 31.75

25

3472/1

4

5!x 4!

(a)

24

4

x  36 5

3

18

3472/1

Trial Add Maths SPM 2014 Paper 1_qa Naim Lilbanat.pdf

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