Y10 Maths (Ervis) - Algebra

• (√5 + √10) / 2

• (√2 + √10) / 5

• (√2 + √10) / 2

• (√1 + √5) / 2

• (2√11) / 11

• (4√11) / 11

• √11 / 11

• (4√11) / √11

Divide £700 in the ratio 5:3:2

The population of England is 5.301 x 10⁷

The number of people who live in London is 8.308 x 10⁶

What % of the population of England live in London?

• 33.82%

• 15.67%

• 13.67%

• 81/99

• 81/100

• 8/10

• 8/11

Expand brackets: (x+4)(2x-3)

• 2x² + 3x + 12

• 2x² + 3x -12

• 2x² + 5x +12

• 2x² + 5x -12

Factorise x² + 5x + 6

• (x-3)(x-2)

• (x+3)(x-2)

• (x+3)(x+2)

• (x-3)(x+2)

Find the Inverse of  $y\ =\frac{\left(4x+3\right)}{6}$  

•  $y^{-1}=\ \frac{\left(6x-3\right)}{4}$  

•  $y^1=\ \frac{\left(6x-3\right)}{4}$   

•  $y=\ \frac{\left(6x-3\right)}{4}$  

Complete the square: $x^2-12x+36$  

•  $(x+6)^2$  

•  $(x-6)^2$