CBSE Class 8 - Maths - ALGEBRAIC EXPRESSIONS, IDENTITIES AND FACTORISATION (MCQs) (#class8Maths)(#cbsenotes)(#eduvictors)

ALGEBRAIC EXPRESSIONS, IDENTITIES AND FACTORISATION 

(MCQs)

CBSE Class 8 - Maths

Q1: Which is the like term as 24a²bc?

(a) 13 × 8a × 2b × c × a 

(b) 8 × 3 × a × b × c

(c) 3 × 8 × a × b × c × c 

(d) 3 × 8 × a × b × b × c

Q2: a ( b + c) = ab + ac is

(a)commutative property

(b) distributive property

(c) associative property

(d) closure property

Q3: (x + 5)(x - 5) = ?

(a) 2x

(b) x² - 10

(c) (x  - 5)²

(d) x² - 25

Q4: The product of a monomial and a binomial is a

(a) monomial 

(b) binomial

(c) trinomial 

(d) none of these

Q5: The sum of –7pq and 2pq is

(a) –9pq 

(b)  9pq 

(c) –5pq 

(d)  5pq

Q6: 8a²b³ ÷ (-2ab) = ?

(a) 4ab²

(b) -4ab²

(c) 4a²b

(d) -4a²b

Q7: If we subtract –3x²y² from x²y², then we get

(a) – 4x²y² 

(b) – 2x²y² 

(c) 2x²y² 

(d) 4x²y²

Q8: (x + 3)(x + 3) = ?

(a) x² + 9

(b) x² + 9x

(c) x² + 6x + 9

(d) x² + 9x + 9

Q9: Factors of 2x - 32x³ is

(a) 2(x - 4)(x + 4)

(b) 2x(1 + 2x)²

(c) 2x²(1 - 16x)

(d) 2x(1 -4x)(1 + 4x)

Q10: Factorised form of p² – 17p – 38 is

(a) (p – 19) (p + 2) 

(b) (p – 19) (p – 2)

(c) (p + 19) (p + 2) 

(d) (p + 19) (p – 2)

Answers:

1: (a) 13 × 8a × 2b × c × a 

2: (b) distributive property

3: (d) x² - 25

4: (b) binomial

5: (c) –5pq

6: (b) -4ab²

7: (d) 4x²y²

8: (c) x² + 6x + 9

9: (d) 2x(1 -4x)(1 + 4x)

10: (a) (p – 19) (p + 2)

☛See also:

Algebraic Expressions and Identities (NCERT Ex 9.2)

Factorisation (NCERT Ex 14.1)
Factorisation (NCERT Ex 14.2)
Factorisation (Typical Solved Problems)