1) Factorise 7x-42 a) 7(x+42) b) x(42)/7 c) 7(x-6) d) x × 7 × 42 2) Find the common factor in 14pq, 28p²q² a) pq b) p²q² c) 14q d) 14pq 3) What is regrouping ? a) Dividing of factors to make groups b) Making group of terms c) Rearranging an expression in groups 4) (a+b)(a-b) = a²-b² a) False b) True c) Can't say 5) How many identities are in factorisation a) 5 b) 1 c) 4 d) No identity used e) 3 6) Correct 4(x-5) = 4x-20 a) 4(x-5) = 4x - 5 b) It is correct c) 4(-5x) = 4x - 5 d) -4(5x) = 4x-5 7) (a-b)² = ? a) a²+b²+2ab b) a²-2ab-b² c) a²-2ab+b² d) a²+2ab-b² 8) What is irreducible factor ? a) It can't be divided b) It can't be subtracted c) It can't be showed product of a factor 9) What can a factor be ? a) A number b) Algebraic variable c) Algebraic expression d) Fraction 10) inverse of multiplication is a) Addition b) Multiplication c) Division d) Subtraction 11) Gk : Most hardest subject in the world a) Geology b) Quantum Mechanics c) Zoology d) History

Maths Wordwall(Factorisation)

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