Question Paper
Class / Subject: Class 9 (ICSE) · Mathematics
Chapter: Chapter 5 — Chapter 5: Factorisation
Time Allowed: 32 minutes
Max Marks: 16
1. What does factorisation mean? [1]
(A) Expressing an expression as a product of factors
(B) Expanding an expression
(C) Adding terms together
(D) Nothing specific
2. Factorise 4x+8. [1]
(A) 4(x+2)
(B) 8(x+4)
(C) 2(2x+4)
(D) x+2
3. What identity helps factorise a²-b²? [1]
(A) (a+b)(a-b)
(B) (a+b)²
(C) (a-b)²
(D) a+b
4. Factorise x²+7x+12. [1]
(A) (x+3)(x+4)
(B) (x+1)(x+12)
(C) (x+2)(x+6)
(D) (x-3)(x-4)
5. What two numbers multiply to 12 and add to 7? [1]
(A) 3 and 4
(B) 2 and 6
(C) 1 and 12
(D) 5 and 2
6. What is factorisation by grouping used for? [1]
(A) Expressions with four or more terms
(B) Only two-term expressions
(C) Only one-term expressions
(D) Nothing specific
7. Why is factorisation useful? [1]
(A) For solving equations and simplifying fractions
(B) No reason
(C) It's not useful
(D) Only for tests
8. Is factorisation the reverse of expansion? [1]
(A) Yes
(B) No, they are identical
(C) They are unrelated
(D) Factorisation doesn't exist
9. What does factorisation mean? [1]
(A) Expressing an expression as a product of factors
(B) Expanding an expression
(C) Adding terms together
(D) Nothing specific
10. Factorise 4x+8. [1]
(A) 4(x+2)
(B) 8(x+4)
(C) 2(2x+4)
(D) x+2
11. What identity helps factorise a²-b²? [1]
(A) (a+b)(a-b)
(B) (a+b)²
(C) (a-b)²
(D) a+b
12. Factorise x²+7x+12. [1]
(A) (x+3)(x+4)
(B) (x+1)(x+12)
(C) (x+2)(x+6)
(D) (x-3)(x-4)
13. What two numbers multiply to 12 and add to 7? [1]
(A) 3 and 4
(B) 2 and 6
(C) 1 and 12
(D) 5 and 2
14. What is factorisation by grouping used for? [1]
(A) Expressions with four or more terms
(B) Only two-term expressions
(C) Only one-term expressions
(D) Nothing specific
15. Why is factorisation useful? [1]
(A) For solving equations and simplifying fractions
(B) No reason
(C) It's not useful
(D) Only for tests
16. Is factorisation the reverse of expansion? [1]
(A) Yes
(B) No, they are identical
(C) They are unrelated
(D) Factorisation doesn't exist