Year 10 Week 1 & 2

14x - 5y + 9 + y = 

The like terms in this expression are:

• 14x and 9

• -5y and y

• 5y and y

• 9 and y

Simplify by collecting the like terms:

11xy - 4x - xy + 7x =

• 10xy - 3x

• 10xy + 3x

• 10xy +11x

• 13x²y

Simplify this expression:

• 4m

• $\frac{-8m}{2}$

• $\frac{1}{4m}$

• -4m

Expand 2x(3 - 8y)

• -10xy

• -10x²y

• 6x-8y

• 6x-16xy

Expand and simplify the expression 3(5a + 12) - 2(7 - a)

• 15a + 36 - 14 + 2a

• 17a + 22

• 15a + 36 - 14 - 2a

• 13a + 22

Factorise: 10y +35

• 10(y + 35)

• y(10 + 35)

• 5(2y + 7)

• 5(2y +35)

Evaluate the following expression $\frac{bc-a}{2}$  when 𝑎=−1, 𝑏=−5 and 𝑐=3.

•  $-\frac{3}{2}$  

• -8

• -1.5

• -7

Simplify −3𝑎𝑏 × 4𝑎 × (−2𝑏²)

• 24a²b³

• -24a²b³

• 24ab²

• it can not be simplified

Simplify $\frac{-32x^2y}{10xy}$  

•  $\frac{-32xy^0}{10}$  

•  $\frac{16x}{10y^0}$  

•  $\frac{-16x}{5}$  

•  $\frac{16x}{5}$  

Expand 3(2y+7).

Do not include spaces in your answer.