9
50/1 MATEMATIK KERTAS 1 1 jam 15 minit SULIT 50/1 NAMA: _______________________________________________ TINGKATAN: ______________ TOPICAL TEST 4: ALGEBRAIC EXPRESSIONS III & ALGEBRAIC FORMULAE UJIAN TOPIKAL 4: UNGKAPAN ALGEBRA III & RUMUS ALGEBRA This question paper consists of 40 questions. Answer all the questions. For each question, choose only one answer from the options A, B, C and D. Kertas soalan ini mengandungi 40 soalan. Jawab semua soalan. Bagi tiap-tiap soalan, pilih satu jawapan daripada empat pilihan, iaitu A, B, C, dan D. 1 3xy(4 3y) = A 9xy 12xy 2 B 9xy + 12xy 2 C 12xy + 9xy 2 D 12xy 9xy 2 2 (4x + y)(3x 2y) = A 12x 2 5xy 2y 2 B 12x 2 + 5xy 2y 2 C 2x 2 + 5xy 12y 2 D 2x 2 5xy + 12y 2 3 Expand (3x 4) 2 . Kembangkan (3x 4) 2 . A 9x 2 + 24x 16 B 9x 2 24x + 16 C 6x 2 18x 8 D 6x 2 + 18x + 8 4 Simplify 2x 8xy. Permudahkan 2x 8xy. A x(2 4y) B 2x(1 4y) C 2x(2 8y) D x(2 8xy) 5 Factorise 2x 2 32. Faktorkan 2x 2 32. A (x 4)(x + 4) B (x 8)(x + 8) C 2(x 8)(x + 8) D 2(x 4)(x + 4) 6 Factorise p 2 2pq + q 2 . Faktorkan p 2 2pq + q 2 . A (p q)(p q) B (p q)(p + q) C (2p + q)(p + q) D (2p q) 7 3x 2 19x + 6 = A (6x 1)(3x 1) B (3x 1)(x 6) C (3x 6)(x 1) D (3x + 1)(6x 1) 8 A C B D 9 A C B D 10 A C B D 11 A B C (x + 3) D 12 A B C D 13 A C B D 14 × (a + 3b) = A B C D 15 ÷ 5mn = A B C D www.smkti.com@2010 25 SULIT

Algebraic Expressions III & Algebraic Formulae

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50/2

SULIT 50/1

NAMA: _______________________________________________ TINGKATAN: ______________

TOPICAL TEST 4: ALGEBRAIC EXPRESSIONS III & ALGEBRAIC FORMULAE

UJIAN TOPIKAL 4: UNGKAPAN ALGEBRA III & RUMUS ALGEBRA

This question paper consists of 40 questions. Answer all the questions. For each question, choose only

one answer from the options A, B, C and D.

Kertas soalan ini mengandungi 40 soalan. Jawab semua soalan. Bagi tiap-tiap soalan, pilih satu jawapan

daripada empat pilihan, iaitu A, B, C, dan D.

13xy(4 3y) =

A9xy 12xy2

B9xy + 12xy2

C 12xy + 9xy2

D12xy 9xy2

2(4x + y)(3x 2y) =

A12x2 5xy 2y2

B12x2 + 5xy 2y2

C 2x2 + 5xy 12y2

D2x2 5xy + 12y2

3Expand (3x 4)2.

Kembangkan (3x 4)2.

A9x2 + 24x 16

B9x2 24x + 16

C 6x2 18x 8

D6x2 + 18x + 8

4Simplify 2x 8xy.

Permudahkan 2x 8xy.

Ax(2 4y)

B2x(1 4y)

C2x(2 8y)

Dx(2 8xy)

5Factorise 2x2 32.

Faktorkan 2x2 32.

A(x 4)(x + 4)

B(x 8)(x + 8)

C2(x 8)(x + 8)

D2(x 4)(x + 4)

6Factorise p2 2pq + q2.

Faktorkan p2 2pq + q2.

A(p q)(p q)

B(p q)(p + q)

C (2p + q)(p + q)

D(2p q)

73x2 19x + 6 =

A(6x 1)(3x 1)

B(3x 1)(x 6)

C (3x 6)(x 1)

D(3x + 1)(6x 1)

8

57

23

bd

+

A

1415

6

bd

bd

+

C

12

5

bd

B

1415

6

dd

bd

+

D

12

23

bd

+

9

35

xx

xyyx

+=

--

A

2

x

xy

-

C

2

x

yx

-

B

8

x

xy

-

D

8

x

yx

-

10

(23)

3

24

a

aa

-

-=

A

13

2

a

a

-

C

13

4

a

a

-

B

43

2

a

a

+

D

43

4

a

a

+

11

22

13

xx

+=

-

A

(

)

2

241

3

x

x

+

+

B

2

82

33

x

xx

+

+

C

2

3

(x + 3)

D

2

62

33

x

xx

+

+

12

2

52

xy

x

-=

A

2

3

xy

B

2

52

xxy

xy

-

C

2

52

xy

xy

-

D

2

3

xy

xy

13

pqp

pqpq

+

=

--

A

(

)

2

pq

pq

+

-

C

22

1

pq

-

B

2

33

pq

pq

+

-

D

(

)

2

2

ppq

pq

+

-

14

55

26

xy

ab

-

+

(a + 3b) =

A

55

3

ab

+

B

515

26

xayb

ab

-

+

C

55

2

xy

-

D

22

55

218

xy

ab

-

+

15

mn

xy

+

5mn =

A

55

mn

xy

+

B

1

44

xmnymn

+

C

1

55

xy

+

D

()

5

mnxy

+

16

2

26

4

16

x

x

x

+

=

+

-

A

(

)

2

64

x

x

+

-

C

(

)

62

64

x

x

+

-

B

6

4

x

+

D

2

6

16

x

-

17

22

43

x

xy

xy

=

+

-

A

12

x

xy

-

C

4

3

xy

-

B

12

x

xy

+

D

(

)

4

3

xxy

-

18

36

mn

n

+

(m + 2n) =

A

4

2

n

B

3

n

C

2

mn

n

+

D

2

m

n

+

19(m 2)

2

6

4

m

-

=

A

6

n

C

6

2

m

-

B

6

n

D

6

2

m

+

20

2

2

612

3

6

ppq

q

qpq

-

=

-

A

2

2

p

pq

-

C

4

3

p

q

B

4

p

q

D

2

12

p

pq

-

21Which of the following is a constant?

Antara yang berikut, manakah pemalar?

AThe number of days in a week.

Bilangan hari dalam satu minggu.

BThe number of motorcycles on a road in a day.

Bilangan motosikal di jalan raya dalam satu hari.

CThe number of passengers of a bus in a day.

Bilangan penumpang bagi satu bas dalam satu hari.

DThe height of students in a class.

Ketinggian pelajar dalam satu kelas.

22Which of the following is a variable?

Antara yang berikut, manakah pemboleh ubah?

AThe number of days in the month of June.

Bilangan hari dalam bulan Jun.

BThe length of a piece of A4 paper.

Panjang sekeping kertas A4.

CThe time taken to have a dinner.

Masa yang diambil untuk makan malam.

DThe sum of interior angles in a square.

Hasil tambah sudut pedalaman dalam segi empat sama.

23P is the number of sunny days in April. The possible value of P is

P ialah bilangan hari cerah dalam bulan April. Nilai yang mungkin bagi P ialah

A2

B5

C 18

D31

24Given that 3x = 5y + 1, then y =

Diberi 3x = 5y + 1, maka y =

A

31

5

x

+

C

31

5

x

-

B

151

5

x

+

D

151

5

x

-

25Given that

5()

xy

y

+

= 2, then y =

Diberi

5(xy)

y

+

= 2, maka y =

A

5

7

xC

5

3

x

B

4

7

xD

5

7

x

26Given that

6

5

x

xy

-

= 6, then y =

Diberi

6x

5xy

-

= 6, maka y =

A3x

B4x

C5x

D6x

27Given that x = xy2 + 9, then y =

Diberi x = xy2 + 9, maka y =

Ax + 3C

9

1

x

-

Bx 3D1

3

x

28Given that

4

3

x

y

-

= 2, therefore y =

Diberi

x4

3y

-

= 2, maka y =

A

4

4

x

-

C

4

6

x

-

B

4

12

x

-

D

22

2

4

6

x

-

29Express L as the subject of the formula

2

2

3

mn

L

= 4.

Ungkapkan L sebagai perkara dalam bentuk

2

2

3mn

L

= 4.

A3m2n 4

B

2

2

3

4

mn

C

2

3

mn

L

D

2

3

4

mn

30Given that p =

2

qr

+ r2, p = 5 and r = 1, find the value of q.

Diberi p = 2

qr

+ r2, p = 5 dan r = 1, cari nilai q.

A2C4

B3D9

31Find the value of n in the formula,

m =

2

2

n

n

+

-

if m = 3.

Cari nilai n bagi rumus, m =

2n

2n

+

-

jika m = 3.

A1C4

B2D6

32Given that m =

1

2

-

and n = 3, then

2

3

n2 16m3n =

Diberi m =

1

2

dan n = 3, maka

2

3

n2

16m3n =

A0C12

B6D18

33Given that p =

4

xy

, p = 20 and y = 2, find the value of x.

Diberi p =

4xy

, p = 20, dan y = 2, cari nilai x.

A40C60

B50D70

34Given that

1

a

=

1

b

+

1

c

, express b in terms of a and c.

Diberi

111

abc

=+

, ungkapkan b dalam

sebutan a dan c.

Ab =

ac

ca

-

Cb =

1

ca

+

Bb =

ac

ca

+

Db =

1

ca

-

35Given that a2 = b2 + 2bc, find the value of c if a = 2 and b = 4.

Diberi a2 = b2 + 2bc, cari nilai c jika a = 2 dan b = 4.

A0.5C1.5

B0.5D1.5

36The perimeter of a rectangle is x cm and the width is y cm. If the area of the rectangle is 56 cm2, express x in terms of y.

Perimeter bagi sebuah segi empat tepat ialah x cm dan lebarnya ialah y cm. Jika luas segi empat tepat itu ialah 56 cm2, ungkapkan x dalam sebutan y.

Ax = 3y +

56

y

C x = 2y +

56

y

Bx = 2y +

112

y

Dx = 3y +

112

y

37There are p blue marbles in a container. The number of yellow marbles in the container is

1

3

that of the blue marbles while the number of green marbles is 5 more than yellow marbles. If the total number of marbles in the container is x, then the formula for x is

Terdapat p guli biru dalam sebuah bekas. Bilangan guli kuning dalam bekas itu adalah

1

3

daripada guli biru manakala bilangan guli hijau adalah lima kali lebih banyak daripada bilangan guli kuning. Jika jumlah bilangan guli dalam bekas itu ialah x, maka rumus bagi x ialah

A

5

3

p + 5C

5

6

p + 5

B6

2

3

pD

5

3

p 5

38In Diagram 1, ABCE is a rectangle.

Dalam Rajah 1, ABCE ialah sebuah segi empat tepat.

Diagram 1 Rajah 1

Given that area of the shaded region is 30 cm2, express x in terms of y.

Diberi luas kawasan berlorek ialah 30 cm2, ungkapkan x dalam sebutan y.

A

2

y

C

4

y

B8yD4y

39Diagram 2 is made up of an isosceles triangle and a rectangle.

Rajah 2 terdiri daripada sebuah segi empat tepat dan sebuah segi tiga sama kaki.

Diagram 2 Rajah 2

The perimeter of the whole diagram is p cm. Express p in terms of x, y and z.

Perimeter seluruh rajah itu ialah p cm. Ungkapkan p dalam sebutan x, y, dan z.

Ap = 3(2x + 3y + 2z)

Bp = 2(2z + 5x + 6y)

Cp = 2(3z + 5x + y)

Dp = 3(3z + 5x + y)

40In Diagram 3, PQRS is a square.

Dalam Rajah 3, PQRS ialah sebuah segi empat sama.

Diagram 3 Rajah 3

QTR is a semicircle of radius j cm. The formula for the area, x cm2, of the shaded region is. (Use =

22

7

)

QTR ialah sebuah semibulatan dengan jejari j cm. Rumus bagi luas, x cm2, bagi kawasan berlorek ialah (Guna =

22

7

)

A2

3

7

j2C7

3

7

j2

B3

1

2

j2D8

1

2

j2

1Expand the following expressions.

Kembangkan ungkapan yang berikut.

(a)h(4 + i)

(b)

1

4

(8x + 12y 4ab)[3 marks]

[3 markah]

2Expand the following expressions.

Kembangkan ungkapan yang berikut.

(a)(2 + x)(x + y)

(b)(4y 4x)( + 4x)[3 marks]

[3 markah]

3State the highest common factor (HCF) of 8x2y2, 4x2 and 12xy2.[2 marks]

Nyatakan faktor sepunya terbesar (FSTB) 8x2y2, 4x2, dan 12xy2.[2 markah]

4Factorise completely the following expressions.

Faktorkan selengkapnya ungkapan yang berikut.

(a)15x2y + 10xy2

(b)12y2 + 13y 4[3 marks]

[3 markah]

5Factorise completely the following algebraic expressions.

Faktorkan selengkapnya ungkapan yang berikut.

(a)16x2 36

(b)15x2 3y2[3 marks]

[3 markah]

6Simplify each of the following.

Permudahkan ungkapan yang berikut.

(a)

612

3

x

-+

(b)

2

31

91

y

y

-

-

[3 marks]

[3 markah]

7Express the following as a single fraction in its simplast form.

Ungkapkan yang berikut sebagai pecahan tunggal dalam bentuk termudah.

(a)

25

32

x

yxy

+

(b)

(

)

5

1

21

aa

a

a

-

+

+

[3 marks]

[3 markah]

8Simplify

22

8

6

xy

x

xy

-

-

.[2 marks]

Permudahkan

22

xy

8x

xy6

-

-

.[2 markah]

9Simplify each of the following.

Permudahkan setiap ungkapan yang berikut.

(a)

57

66

bca

c

(b)

4221

36

xx

y

--

[4 marks]

[4 markah]

10Express

63

3

416

y

xxy

-

-

as a single fraction in its simplest form.

[3 marks]

Ungkapkan

63y

3

4x16xy

-

-

sebagai pecahan tunggal dalam bentuk termudah.[3 markah]

11Determine whether each of the following quantities is a variable or constant.

Tentukan sama ada setiap kuantiti yang berikut ialah pemboleh ubah atau pemalar.

(a)The price of 1 kg of fish

Harga bagi 1 kg ikan

(b)The number of seconds in a week[4 marks]

Bilangan saat dalam satu minggu[4 markah]

12Pei Voon bought x Mathematics books for RM30 each and y Science books for RM28 each. She paid a total of RMz for her purchase. Write a formula relating x, y and z.[3 marks]

Pei Voon telah membeli x buku Matematik dengan RM30 setiap satu dan y buku Sains dengan RM28 setiap satu. Dia membayar jumlah RMz bagi pembeliannya. Tulis satu rumus yang melibatkan x, y, dan z.[3 markah]

13There are m boxes of candles containing 28 candles each box and another 5 boxes containing n candles each box. 20 of those candles are red and the rest are white. Write a formula for w, to show the number of white candles in terms of m and n.[3 marks]

Terdapat m kotak lilin yang mengandungi 28 batang lilin dalam setiap kotak dan lima kotak yang mengandungi n batang lilin bagi setiap kotak. 20 daripada lilin-lilin itu berwarna merah dan selebihnya berwarna putih. Tulis satu rumus, W, yang menunjukkan bilangan lilin putih dalam sebutan m dan n.[3 markah]

14Given that a2 = b2 + c2, express b in terms of a and c.[2 marks]

Diberi a2 = b2 + c2, ungkapkan b dalam sebutan a dan c.[2 markah]

15Given that 4x + 7 = 3(5 2y), express y in terms of x.

[3 marks]

Diberi 4x + 7 = 3(5 2y), ungkapkan y dalam sebutan x.[3 markah]

16Given 4m 4(5 + n) = 8, write a formula with n as the subject of the formula.[3 marks]

Diberi 4m 4(5 + n) = 8, tulis satu rumus dengan n sebagai perkara rumus.[3 markah]

17In Diagram 1, D is the midpoint of BC.

Dalam Rajah 1, D ialah titik tengah BC.

Diagram 1 Rajah 1

Express x in terms of y and z.[3 marks]

Ungkapkan x dalam sebutan y dan z.[3 markah]

18Given that x =

42

3

yz

+

, express z in terms of x and y.

[3 marks]

Diberi x =

4y2z

3

+

, ungkapkan z dalam sebutan x dan y.[3 markah]

19Given that p(3 + q) = 3r pq,

Diberi p(3 + q) = 3r pq,

(a)express p in terms of q and r,

ungkapkan p dalam sebutan q dan r,

(b)calculate the value of p if q = 2 and r = 3.[4 marks]

hitungkan nilai p jika q = 2 dan r = 3.[4 markah]

20Given that p =

4

8

rq

+

, express q as the subject of the formula.

[3 marks]

Diberi p =

4

r8q

+

, ungkapkan q sebagai perkara rumus.[3 markah]

50/2

MATEMATIK

KERTAS 2

1 jam 45 minit

50/2

This paper consists of 20 questions. Answer all the questions. Write your answers clearly in the space provided in this question paper and show your working. The calculator is not allowed to be used.

Kertas soalan ini mengandungi 20 soalan. Jawab semua soalan. Tuliskan jawapan dalam ruang yang disediakan dan tunjukkan jalan kerja. Kalkulator tidak boleh digunakan.

6 SULIT

www.smkti.com@201025 SULIT

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