physicscatalyst.com logo





Important questions for Algebraic Expressions and Identities Class 8 Maths Chapter 9





In this page we have Important questions for Algebraic Expressions and Identities Class 8 Maths Chapter 9 . Hope you like them and do not forget to like , social share and comment at the end of the page.
Question 1
Identify the terms, their coefficients for each of the following expressions.
(i)xyz2 + 3xy
(ii)1 - x -2x2
(iii)4p2q2 - 4p2q2r2+ r2
(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?
a)x2 + y2
b)1000-x
c)x + x2+ x3 + x4 + x5
d)8 - y -5x
e) 2y -3y2
f) 2y - 3y+ 4y3
g) 5x -8y + 3xy
h) 4 -15z2
i) ab + bc + cd + da+ 2ab
j) pqr+2pq+5pqr
k) p2q + pq2
l) 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)2p2q2- 3pq + 4, 5 + 7pq - 3p2q2 ,4p2q2 + 10pq
(iv)a2+ b2, b2+ c2, c2+ a2, 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 4p2q - 4pq - 5pq2 - 8p + 7q - 18
from 18 - 3p - 11q + 5pq - 2pq2+ 5p2q


Question 5
What are the coefficient of each term in the below expression?
4p2q2 + 4p2q2r2 - r2 +5
a)4,4,-1,5
b)4,4,1,5
c) 4,4r2 ,-r2, 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


Download Important questions for Algebraic Expressions and Identities as pdf
link to this page by copying the following text

Note to our visitors :-

Thanks for visiting our website. From feedback of our visitors we came to know that sometimes you are not able to see the answers given under "Answers" tab below questions. This might happen sometimes as we use javascript there. So you can view answers where they are available by reloding the page and letting it reload properly by waiting few more seconds before clicking the button.
We really do hope that this resolve the issue. If you still hare facing problems then feel free to contact us using feedback button or contact us directly by sending is an email at [email protected]
We are aware that our users want answers to all the questions in the website. Since ours is more or less a one man army we are working towards providing answers to questions available at our website.


Class 8 Maths Class 8 Science