Factorising Algebraic Expression

Factorising Algebraic Expressions

Factorising simple expressions

Hint: Always try to find the highest common factor.

Multiple Choice

Factor:  
4x + 30y

• 2(x + 15y)
• 4(x + 15y)
• 2(2x + 15y)
• can't be factored

Multiple Choice

Factor in simplest form: 6x + 12

• 3(2x + 4)

• 6(x+2)

• 6x(x+2)

• 1/2 (3x + 24)

Multiple Choice

True or False?
2x + 6 = 2(x + 3)

• True
• False

Multiple Choice

Factor 12x - 20

• 6(2x - 3)

• 4(3x - 5)

• 4x(3x - 5)

• 3(4x + 6)

Multiple Select

Factorise

 $y^{2\ }-\ 2y$  

•  $y\left(y-2\right)$  

•  $y^2\left(1-2\right)$  

Multiple Choice

Factorise

 $2x^2\ +6x$  

•  $3\left(x^{2\ }+2x\right)$  

•  $2x\left(x\ +3\right)$  

• None

Multiple Choice

Factorise

 $6x^{2\ }-8xy$  

•  $2x\left(3x\ -4y\right)$  

•  $2xy\left(3x-4\right)$  

• Cannot be factorised

Multiple Choice

• A

• B

• C

• D

Multiple Choice

Factorise 
 $20x^3y^2\ +15x^2y^3$  

•  $5x^2y^2\left(4x\ +3y\right)$  

•  $5xy\left(4x^2+3y^2\right)$  

• Cannot be factorised

Multiple Choice

 $12x^4yz^2\ -\ 8x^3y^3z^2$  

•  $4x^3yz^2\left(3x-2y^2\right)$  

•  $3x^3yz^2\left(4-2y^2\right)$  

• None

Poll

How do you feel about factorising now?

• Not very confident

• confident

• very confident