# Algebraic Expressions and Identities – Class 8/MCQ

**CBSE CLASS 8 MATHEMATICS**

**Algebraic Expressions and Identities – Chapter 9/ MCQ.**

**1. The algebraic equation 4xy +2yz + 5 is a ————**

A. Binomial

B. Trinomial

C. Monomial

**2. The number of terms in a polynomial is ————**

A. One

B. Two

C. None of these.

**3. The numerical coefficient of –xyz is ————–**

A. -1

B. 0

C. 1

**4. If we subtract 4a-7ab+3b+12 from 12a-9ab+5b-3, then the difference is ———–**

A. 8a -2ab+2b-15.

B. 8a -16ab+8b-8

C. 8a – 2ab +8b – 15

**5. The product of 4a and (-6bc) is ———-**

A. 24abc

B. -24abc

C. –abc

**6. If x +2y = 4 then 3x +6y is ———–**

A. 4

B. 8

C. 12

**7. The volume of a rectangular box with length, breadth and height are a, 2b and 3c respectively ——**

A. 2abc

B. 3abc

C. 6abc

**8. The area of a rectangle with length and breadth are 10m and 5n respectively ————**–

A. 10mn

B. 5mn

C. 50mn

**9. Which of the following is a binomial**?

A. 3xy

B. 4l +5m

C. a+b+c+d

**10. Write term which is like to 7xy**?

A. 5xy

B. 5x

C. 5y

ANSWERS:

**1. Trinomial**

**2. None of these**

**3. -1**

**4. 8a -2ab+2b-15**

**5. -24abc**

**6. 12**

**7. 6abc**

**8. 50mn**

**9. 4l+5m**

**10. 5xy.**