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Factorising: Taking Out a Common Factor

Total questions: 5

Worksheet time: 2mins

Name
Class
Date
1.

What is the HCF of 48 and 56?

a)

2

b)

6

c)

8

d)

12

2.

What is the HCF of 12x2y and 9xy?

a)

3

b)

x

c)

3x

d)

3xy

e)

xy

3.

Which is the correct factorised form of:

 10x + 2510x\ +\ 25  ?

a)

 5(2x+5)5\left(2x+5\right)  

b)

 5(5x +20)5\left(5x\ +20\right)  

c)

 10(x+15)10\left(x+15\right)  

d)

 35x35x  

4.

Is the following statement true or false? 

 4a2b2 +8a2b4a^2b^2\ +8a^2b  factorised makes  4a2b(b+2)4a^2b\left(b+2\right)  

a)

True 

b)

False

5.

What is the factorised form of  42x^5y^2z^3-28x^3y^2z  ?

a)

 2(21x5y2z314x3y2z)2\left(21x^5y^2z^3-14x^3y^2z\right)  

b)

 7x3yz(6x2yz24y)7x^3yz\left(6x^2yz^2-4y\right)  

c)

 14xyz(3x4yz22x2y)14xyz\left(3x^4yz^2-2x^2y\right)  

d)

 7x3y2z(6x2z24)7x^3y^2z\left(6x^2z^2-4\right)  

e)

 14x3y2z(3x2z22)14x^3y^2z\left(3x^2z^2-2\right)