Quadratic factorisation Review Set

Fully factorise:

3x²-17x-6

• (3x+1)(x-6)

• (x+1)(3x-6)

• (3x-6)(x+1)

• (3x+6)(x-1)

Fully factorise:

9x²+12x+4

• (3x-2)(3x+2)

• (3x+2)²

• (3x-2)²

• (3x-2)(x-2)

Fully factorise:

-3x²+9x+12

• (-3x+4)(-x+1)

• -(3x-12)(x+1)

• -3(x-4)(x+1)

• (-3x+4)(x+1)

Fully factorise:

mx+nx-my-ny

• (mx+ny)²

• (m+x)(n-y)

• (m-n)(x-y)

• (m+n)(x-y)

Fully factorise, if possible:

x²+9

• no linear factors

• (x+3)²

• (x-3)(x+3)

• (x-3)²

Fully factorise, if possible:

3x²-9x

• 3x(x-3)

• x(3x-9)

• 9x(x-1)

• 3x(x+3)

Fully factorise, if possible:

9x²-9

• 9(x-1)(x+1)

• 3x(x-3)

• 9(x-1)²

• 9(x+1)²

Fully factorise:

2x²+15x-8

• (2x-1)(x+8)

• (x-2)(2x+8)

• (2x+1)(x-8)

• (x+2)(2x+8)

If we know that x²+12x+c is a perfect square, what is the number c?

• c=6

• c=12

• c=18

• c=36

HCF stands for,

• High Common Factorization

• Highest Common Factor

• Highper Common Fanction

• High Color Food