Class 1e1 '08 2e1'09

A total of 38 students
plus one lovely form teacher ,Mrs Ang. ManyMany hobbiessssssssss
Love us, we'll love you back :D

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More Decorations In Class
Good results!

NameName! :D

Abigail
Adelia
Aisyah
Amelia
Beverly
Christina
Cara
Jolene
Khadijah
Annabel
Janice
Larissa
PuayFong
JiaQi
Christina.L
SiRui
YuAn
Shikin
Rhoda
Regina
Sherrie
Ellenca
RuYing
Aida
Sonja
XingFang

Aldrich
Davis
HaoLin
Marcus
Joses
Lemuel
Syaridzuan
YingXiong
Previn
Deebagar
Jeremy
KokTiam

Abigail
Adelia
Amelia
Annabel
Cara
Christina L.
Christina M.
Ellenca
Janice
Jeremy
Jia Qi
Jolene
Khadijah
Larissa
Pagie
Regina
Rhoda
Sherrie
Shikin
Sonja
Yu An

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Christ Church Secondary School
Secondary 2 Mathematics Worksheet
Title: Sec 2E March Holiday Assignment
Topic: Algebraic Expansion & Factorisation

Question # 1

Expand
a) (3p -5)(2p + 3)
b) 2(3y + 4)2


Question # 2

Simplify: x (2x + 4) − (3x + 2)


Question # 3

Expand and simplify the following expressions.
a) (2a + 1)(a - 9)
b) 6(x + 2y) - 3(2x - y) - (x + y)


Question # 4

Expand and simplify the following:

(a) (3y − 2)2

(b) −7s [(4s − 3) − (5s + 2)]


Question # 5

If x2 - y2 = 80 and x + y = 20, calculate the value of x - y.


Question # 6

Express 99 × 101 in the form of a2 - b2. Hence find the value of 99 × 101.


Question # 7

If (2y + m)2 = 4y2 - 12y + m2, find the value of m


Question # 8

Given that (a + b)2 = 256 and 6ab = 54, calculate the value of 4(a2 + b2)


Question # 9

Factorise completely 3x2 - 3.


Question # 10

Factorise completely
(2a - b)2 - 4


Question # 11

Factorise the following:
(a) c2 - 36
(b) 2a2 - 6a + 4


Question # 12

Using factorisation, find

(a) 3782 - 378 × 278

(b) 693 × 707


Question # 13

Factorise completely
(i) 2x2 - 32y2
(ii) 4x3 - xy2 - 4x2 + y2


Question # 14

Factorise the following:
a) 2 - 4cx
b) 3x - 6 + ax - 2a


Question # 15

Factorise completely the following :
(a) 3xy2 - 12xy - 15x
(b) 2z + 4yz - 6x - 12xy


Question # 16

Factorise the following completely

(a) (x + y)2 - 3(x + y) - 10

(b) 4y - x2y + 4z - x2z


Question # 17

Factorise completely: 2m2 + 5m - 3


Question # 18

Factorise 21x2 + 20x - 25


Question # 19

Factorize 4x2 - 25x + 36


Question # 20

Factorise: 2x2 + 5x −12

The cool person
Joses :D