soalan add maths kertas 1 pp zon a kuching 2007
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SULIT 3472/1
Matematik
Tambahan
Kertas 1
SEPTEMBER
20072 jam
SEKOLAH-SEKOLAH KUCHING ZON A
PEPERIKSAAN PERCUBAAN SPM
Kertas soalan ini mengandungi 14 halaman bercetak
3472/1 2007 Hak Cipta Sekolah-Sekolah Kuching Zon A SULIT
MATEMATIK TAMBAHAN
Kertas 1
Dua jam
JANGAN BUKA KERTAS SOALAN INI SEHINGGA
DIBERITAHU
1. Kertas soalan ini mengandungi 25 soalan.
2. Jawab semua soalan.
3. Bagi setiap soalan berikan SATU jawapan sahaja.
4. Jawapan hendaklah ditulis pada ruang yang disediakandalam kertas soalan.
5. Tunjukkan langkah-langkah penting dalam kerjamengira anda. Ini boleh membantu anda untuk
mendapatkan markah.
6. Sekiranya anda hendak menukar jawapan. Batalkankerja mengira yang telah dibuat. Kemudian tulislah
jawapan yang baru.
7. Rajah yang mengiringi soalan ini tidak dilukiskan
mengikut skala kecuali dinyatakan.
8. Markah yang diperuntukkan bagi setiap soalan atau
ceraian soalan ditunjukkan dalam kurungan.
9. Satu senarai rumus disediakan di halaman 2hingga 3.
10. Buku sifir matematik empat angka disediakan.
11. Penggunaan kalkulator saintifik yang tidak
boleh diprogramkan adalah dibenarkan.
12. Kertas soalan ini hendaklah diserahkan pada akhirpeperiksaan .
Kod
Pemeriksa
Soalan Markah
Penuh
Markah
Diperoleh1 2
2 3
3 44 2
5 3
6 3
7 3
8 3
9 4
10 4
11 3
12 4
13 3
14 3
15 4
16 3
17 3
18 4
19 3
20 3
21 3
22 3
23 3
24 3
25 4
Jumlah 80
Nama:... Kelas : ..
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Rumus-rumus berikut boleh digunakan untuk membantu anda menjawab soalan. Simbol-simbol yangdiberi adalah yang biasa digunakan.
The following formulae may be helpful in answering the questions. The symbols given are the onescommonly given.
ALGEBRA1 x =
a
acbb
2
42
2 am an = a m + n
3 am an = a m n
4 (am) n = a nm
5 log amn = log am + log an6 log a
n
m= log am log an
7 log amn = n log am
8 log a b =a
b
c
c
log
log
9 Tn = a + (n 1)d
10 Sn = ])1(2[2
dnan
+
11 Tn = arn 1
12 Sn = r
ra
r
rann
=
1
)1(
1
)1(
, (r 1)
13r
aS
=
1, r < 1
CALCULUS
1 y = uv ,dx
duv
dx
dvu
dx
dy+=
2vuy = ,
2v
dx
dv
udx
du
v
dx
dy = ,
3dx
du
du
dy
dx
dy=
4 Area under a curve
= b
a
y dx or
= b
a
x dy
5 Volume generated
= b
a
y 2 dx or b
a
x2 dy
3472/1 2007 Hak Cipta Sekolah-Sekolah Kuching Zon A SULIT
5 A point dividing a segment of a line
(x,y) = ,21
++
nm
mxnx
++
nm
myny 21
6. Area of triangle =
1 2 2 3 3 1 2 1 3 2 1 3
1( ) ( )
2x y x y x y x y x y x y+ + + +
1 Distance = 221
2
21 )()( yyxx +
2 Midpoint
(x ,y) = +
2
21 xx,
+
2
21 yy
3 2 2x y r
42 2
x y
x y
i jr
GEOMETRY
2
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STATISTICS
3472/1 2007 Hak Cipta Sekolah-Sekolah Kuching Zon A SULIT
1 Arc length,s = r
2 Area of sector , A =21
2r
3 sin 2A + cos 2A = 1
4 sec2A = 1 + tan2A
5 cosec2A = 1 + cot2A
6 sin 2A = 2 sinA cosA
7 cos 2A = cos2A sin2A
= 2 cos2A 1= 1 2 sin2A
8 tan 2A =A
A2
tan1
tan2
TRIGONOMETRY
9 sin (A B) = sinA cosB cosA sinB
10 cos (A B) = cosA cosBsinA sinB
11 tan (A B) =BA
BA
tantan1
tantan
12C
c
B
b
A
a
sinsinsin==
13 a2 = b2 + c2 2bc cosA
14 Area of triangle = Cabsin2
1
1 x =N
x
2 x =
f
fx
3 =2( )x x
N
=2
2x xN
4 =
2( )f x x
f
=
22fx x
f
5 M = Cf
FN
Lm
+ 2
1
61
0
100Q
IQ
=
71 1
1
w II
w
=
8)!(
!rn
nPrn
=
9!)!(
!
rrn
nCr
n
=
10 P(AB)=P(A) +P(B) P(A B)
11 P(X= r) = rnrrn qpC , p + q = 1
12 Mean, = np
13 npq=
14 z =
x
3
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Answerallthe questions
1 Diagram 1 below shows a graph of the relation between two variablesx andy.
State
(a) the object of 4.
(b) the image of 5.[2 marks]
Answer : (a)
(b)
2 Given that : 3 2f x x a and : 4g x xa . Find
(a) 1f x
(b) 1f g x
[3 marks]
Answer : (a)
(b)
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4
1
2
DIAGRAM 1
y
x
0 1 2 3 4 5 6
24
68
10
12
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3 Given that functions : 3f x xa , 2:g x px q+a , where p, q are constants andcomposite function
2: 3 18 10gf x x x +a .Find the value ofp and ofq .
[4 marks]
Answer : (a)
(b)
4 Find the range of values of p if the quadratic equation 025 2 =+ pxx has real anddistinct roots.
[2 marks]
Answer : ..
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3
4
2
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5 Solve the quadratic equation 15)5)(1( =+ xx . Give your answer correct to foursignificant figures.
[3 marks]
Answer :
6 Diagram 2 shows the graph of a quadratic function )(xfy = .
DIAGRAM 2
(a) Find the coordinates of the minimum point.
(b) Express )(xf in the form of 2( )x p q+ + , wherep and q are constants.[3 marks]
Answer :
7 Find the range of values ofx for xxx 32)1)(23( + . [3marks]
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6
6
3
5
7
3
4
x
y
0 2
)(xfy = )(xfy =
6. .
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Answer :
8 Solve the equation42
2
5
1125
+
=x
x
.
[3 marks]
Answer :
9 Given that 5 5log 7 1 2091 and log 2 0 4307= = , evaluate 28log25[4 marks]
Answer :
10 In an arithmetic progression, the fourth term is 8 and the sum of the first ten terms is 50.
Find the first term and the common difference of the progression. .
[4 marks]
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9
8
3
10
4
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Answer :
11 The sum of the first n terms of the geometric progression 3, 6, 12 is 129.Find the value ofn.
[3 marks]
Answer :
12 The variables x and y are related in such a way that when y is plotted against
x + 1, a straight line that passes through the points (2, 0) and (1, 3) is obtained, asshown in the diagram 3. Calculate the value ofx wheny = 4.
[4 marks]
Answer
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12
11
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DIAGRAM 3
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13 A pointPmoves such that its distance fromB(2, 0) is1
2of its distance from A(0, 1).
Find the equation of the locus ofP. [3 marks]
Answer:
14 Two points have coordinates A(4, 2m) andB(6, 4). IfP(2, 10) divides the straight lineAB in the ratio of 3 : k, find the value ofkand ofm. [3
marks]
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3
13
3
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Answer :
15 Given the points P, Q and R are collinear. Given that 4 3 PQ b a
% %
and
( 1) 2QR k a b
% %
where kis a constant. Find
(a) the value of k,
(b) the ratio of : PQ QR.
[4 marks]
Answer : (a)
(b)
16 Given that 5 4i jOA
% %
, mi kjOB
% %
, 2i kjAB
% %
, find the value of m and of k.
[3 marks]
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154
16
3
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Answer:
17 Given that sinA = tand 0A 90, express each of the following in terms oft.
(a) secA,
(b) cos (90 A).
[3 marks]
Answer :
18 Solve the equation 4 sinx cosx = 3 for 0 x 2 .
[4
marks]
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17
3
18
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Answer :
19 Given3 23
( )2 4
x xf x
x
, find the value off(1). [3
marks]
Answer :
20 Given y = (3x + 2) 4 , find2
2
d y
dx. [3 marks]
Answer :
21 The radius of a balloon in the shape of a sphere increases at the rate of 2 cm s1.
Find the rate of change of the volume of the balloon when the radius is 5 cm.
[Volume of sphere, V=34
3r ] [3 marks]
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3
20
21
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Answer :
22 Given that
24 4
mx dx
. Find the values ofm. [3 marks]
Answer: .
23 A password consists of 4 letters, followed by 3 digits. The letters and digits are chosen
from the letters and digits as shown in the diagram 4,
F U N D S 1 2 3 4 5
If no letter or digit is repeated in the password, find the number of passwords that beginwith a consonant.
[3 marks]
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23
3
22
3
DIAGRAM 4
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Answer :
24 Siti has six T-shirts where 2 are blue, 2 are yellow and 2 are red. She also has five skirtswhere 1 is green, 1 is blue and 3 are yellow. Siti selects a T-shirt and a skirt at random.
Calculate the probability that the T-shirt and skirt selected are of the same colour.
[3 marks]
Answer :..
25 In a study carried out in a housing estate, it is found that 3 out of 5 houses have a Proton
car. If a sample of 10 houses is chosen at random, calculate the probability that not more
than 1 house has a Proton car.
[4 marks]
Answer :
END OF THE QUESTION PAPER
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