Math form 2 Chapter 1-8

The first four terms of a sequence are 9, x, -5, -12...

Calculate the value of x

• -1

• 7

• -2

• 2

Complete the following number sequence.

268, x , y , 169, 136, z, ...

Find the value of X Y and Z

• 245, 210, 113

• 235, 202, 103

• 235, 203, 103

• 235, 202, 113

2, 10, 18, ...

What is the 5th term of the number sequence?

• 34

• 32

• 26

• 28

-3r(r + 2s)

• -3r² + 6rs

• -3r² - 6rs

• -3r + 6rs

• -3r² - 6rs

 $\frac{3}{4}x\left(8y\ +\ 20\right)$  

• 24y + 15x

• 6y + 15x

• 6xy + 15x

• 24xy + 15

(6m + 1)(2m - 5)

• 12m² - 28m - 5

• 12m + 28m + 5

• 6m² +12m - 5

• 6m² - 12m + 5

(5a + 4b)²

• 5a² +20ab + 4b²

• 25a² + 40ab + 16b²

• 25a² + 20ab + 16b²

• 25a + 40ab + 16b

(2x + 5y)(2x - y) - x(y-3x)

• 7x² +7xy + 5y²

• 7x² + 7xy - 5y²

• 4x² +10xy - 5y²

• 7x² -7xy - 5y²

Factorise 15xy + 45x

• 3(15xy + 5x)

• 15x(y + 3)

• 5(3xy + 9)

• 5x(3y + 9)

(n - 5)² - 64

• (n + 3)(n + 13)

• (n - 8)(n + 13)

• (n + 3)(n - 13)

• (n + 13)(n + 3)