In this page we have ** Important questions for Algebraic Expressions and Identities Class 8 Maths CBSE Part 1** . Hope you like them and do not forget to like , social share
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**Question 1**

Identify the terms, their coefficients for each of the following expressions.

(i) xyz^{2} + 3xy

(ii) 1 - x -2 x^{2}

(iii) 4p^{2}q^{2} – 4p^{2}q^{2}r^{2} + r^{2}

(iv) 4 – xy + yz – xz

(v) (x/4) –(y/5) -y

(vi) 1.3a – 2.6ab + 1.5b

**Question 2**

Classify the following polynomials as monomials, binomials, trinomials. Which polynomials do not fit in any of these three categories?

x^{2} + y^{2}

1000-x

x + x^{2} + x^{3} + x^{4} + x^{5}

8 - y +-5x

*2y – 3y*^{2}

*2y – 3y + 4y*^{3}

*5x – 8y + 3xy*

*4 – 15z*^{2}

*ab + bc + cd + da+ 2ab*

*pqr+2pq+5pqr*

*p ^{2}q + pq^{2}*

*2p + 2q+1*

**Question 3**

Add the following.

(i) ab – bc+ ac, bc – ca+ ab, ca – ab-2bc

(ii) p – q + pq, q – r + qr, r – p + pr , p+q+r

(iii) 2p^{2}q^{2} – 3pq + 4, 5 + 7pq – 3p^{2}q^{2} ,4p^{2}q^{2} + 10pq

(iv) a^{2} + b^{2}, b^{2} + c^{2}, c^{2} + a^{2}, 2ab + 2bc + 2ac

**Question 4. **

(a) Subtract *8a – 7ab + 3b - 20 *from *20a – 9ab + 5b – 20*

(b) Subtract *3pq + 5qr – 7pr+1 *from *-4pq +2qr – 2pr + 5pqr+1*

(c) Subtract *4p ^{2}q – 4pq - 5pq^{2} – 8p + 7q – 18*

from *18 – 3p – 11q + 5pq – 2pq ^{2} + 5p^{2}*q

**Question 5**

What are the coefficient of each term in the below expression?

4p^{2}q^{2} + 4p^{2}q^{2}r^{2} - r^{2} +5

a) 4,4,-1,5

b) 4,4,1,5

c) 4,4r^{2} ,-r^{2}, 5

d) None of these

**Question 6**

The product of a monomial and trinomial will be a

a) monomial

b) trinomial

c) binomial

d) None of these

**Question 7**

The exponents of a variable term in the polynomial is a

a) integers

b) negative integers

c) positive integers

d) non -negative integers

**Question 8**

The expression pqr +rqp+qpr is a

a) Monomial

b) trinomial

c) binomial

d) none of these

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