1) Factorise: x^2 + 5x + 6 a) (x+2)(x+3) b) (x+1)(x+6) c) (x+3)(x+4) d) (x+2)(x+4) 2) Factorise: x^2 - 9 a) (x+3)(x+3) b) (x-3)(x+3) c) (x-9)(x+1) d) (x-3)(x-3) 3) The common factor 12a and 30 is: a) 6 b) 4 c) 6a d) -6 4) Factorise: x^2 - 4x + 4 a) (x-2)(x-2) b) (x-4)(x+1) c) (x+2)(x+2) d) (x-2)(x+2) 5) The common factors of 10a, 20b and 30c are:Factorise: a) 10 b) ab c) 10abc d) ac 6) The factorisation of 12x2 y+ 15xy2 is: a) 3xy2 (4x + 5y) b) 3x2y(4x+5y) c) 3xy (4x + 5y) d) 3x2y2 (4x + 5y) 7) The factorisation of 8x + 4y a) 8(x+4y) b) 4(2x+y) c) 4(2x+4y) d) 8(x+y) 8) The factors of xyz are: a) x b) z c) y d) All of the above 9) The common factor of a3b3 and ab2 is: a) a2b2 b) ab2 c) ab d) a2b 10) The factors of 3m2 + 9m + 6 are: a) (m + 1) (m + 2) b) 3(m + 1) (m + 2) c) 6(m + 1) (m + 2) d) 9(m + 1) (m + 2)

Factorisation Quiz for Grade 8

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