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Arah Pendidikan Sdn Bhd 1 Mathematics Form 2

Chapter 3 Algebraic Expressions (II)

Objective Questions

1 The coefficient of yin the term 6xyisA 6 C 6xyB 6x D 6xk

2 Which of the following pairs of algebraic terms are unlike terms?

A 2xy, 12xy C 0.3ky, 1

2yk

B 3k, 12

k D 12

mn2, 3m2n

3 3ab ab2 =A 6ab3 C 3a2b2

B 3a2b3 D 3ab3

4 14ef2 2f=A 7ef C 7efB 7ef2 D 7e

3efx 8fg25 =

12fgA 2e C 2fgB 2eg D 2efg

6 The diagram shows a rectangle.

Find the unshaded area of the rectangle, in cm2.

A 9xy C 18xyy

B 18xy D 18x 2y

P Q

S

2ycm

4ycm

xcm

5xcm

R

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Arah Pendidikan Sdn Bhd 2 Mathematics Form 2

7 In the diagram below, PQR, RST, TUVand PWVare straight lines.

Given that PR= 4xcm and PV= 6ycm, find the area, in cm2, of the shaded region.A 8xy C 12xyB 10xy D 24xy

8 A music examination body charges RM7 registration fee, a written subject fee of RM20

per subject and a practical subject fee of RM40 per subject. Wani wishes to register herselffor xwritten subjects and ypractical subjects. She will have to pay a total fee,in RM, ofA 7 10xy C 7 20x 40yB 67xy D 7 20y 40x

9 7x 2yx 4y 2x=A 8x 2y C 9x 2y

B 8x 2y D 9x 2y

10 Given that x= 5 and y= 2, calculate the value of xy2 4y.A 28 C 12B 18 D 28

11 Given that m= 2 and n= 5, calculate the value of (m2 1)n3.A 625 C 375B 375 D 625

12 If m= 4 and n= 14

, calculate the value of 2mn 4n.A 3 C 1B 1 D 3

13 If x= 4 and y= 2, calculate the value of xyy2.A 12 C 4B 4 D 12

x2 3y314 Given that x= 5 and y= 1, calculate the value of .

y

A 28 C 22B 22 D 28

P 3y

2x

2x

3y V

Q

R

U

W

TS

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Arah Pendidikan Sdn Bhd 3 Mathematics Form 2

15 3[y 4(y 1)] =

A 9y 12 C y 4B 9y 12 D 9y 12

16 Simplify 3(4 x) 7x 5.A 4x 17 C 4x 17

B 4x 7 D 10x 7

17

The perimeter, in cm, of the triangle isA 2y 3z C 8yzB 2y 3z D 8yz

18 4y 3(2 5y) =

A 6 11y C 9y 6B 9y 6 D 11y 6

19 Simplify 13(5m2n 9pq)

15

2(m2n 4pq).

A 54m2n 134pq C 54m

2n 53 pq

B 54

m2n 134pq D 5

4m2n 5

3pq

24a3b2 15xy320 Simplify 2(3a3b2 5xy3).

3

A 2a3b2 15xy3 C 2a3b2 5xy3

B 2a3b2 15xy3 D 2a3b2 5xy3

(5y-- 2z) cm

zcm 3ycm

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Arah Pendidikan Sdn Bhd 4 Mathematics Form 2

Subjective Questions

1 Simplify 8ef (9e).

2 Simplify 8xy2 2xy.

3a2b 8b3 Simplify .

2b2c

9mn 8m24 Simplify .

3m

5 The diagram shows a rectangle.

Express the perimeter, in cm, of the above rectangle in the form of an algebraic expression.

6 Alan has RM50. He buys 6 pens at RMxeach and 5 bottles of glue at RMyeach. Howmuch money does he have left? Give your answer in the form of an algebraic expression.

7 If m= 14

and n= 7, calculate the value of n(4mn2).

8 Simplify 3(x2 2y) 2(x+ 4y).

9 Simplify (3def2) (4f3 + de).

10 Simplify 5(mn 2) (7 + mn).

(x -- 7y) cm

(3x-- 5y) cm