EduNinja

[Maximum number: 4]

(a)

Simplify.

[ 4 ]

(i)

3 m-5 n-4 m+8 n

[ 2 ]

(ii)

$\frac{4 x}{5}-\frac{3 x}{10}+\frac{2 x}{15}$

[ 2 ]

$\frac{19x}{30}$ final answer
M1 for $\frac{6\times4x-3\times3x+2\times2x}{30}$ oe

[Maximum number: 4]

(a)

Factorise.
$a^2-9$

[ 1 ]

(b)

Expand and simplify.
(2x+3)(x-1)(x+3)

[ 3 ]

$2x^3+7x^2-9$ final answer
B2 for correct expansion unsimplified or simplified four-term expression with three terms correct
or B1 for one pair of brackets expanded

[Maximum number: 7]

(a)

Expand and simplify.

4(2 x-1)-6(3-x)

[ 2 ]

(b)

Factorise completely.

[ 5 ]

(i)

6 x^2 y+9 x y

[ 2 ]

3xy(2x+3) final answer
M1 for answer $3(2x^2y+3xy)$ , 3x(2xy+3y), $3y(2x^2+3x)$ , or xy(6x+9)
B1 for correct answer seen and spoilt

(ii)

4 x^2-y^2+8 x+4 y

[ 3 ]

CAIE IGCSE Mathematics Extended E2.2 Algebraic Manipulation Topic Practice

Question 1

Question (a)

Question (i)

Question (ii)

Question 2

Question (a)

Question (b)

Question 3

Question (a)

Question (b)

Question (i)

Question (ii)