# MCQ Questions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities with Answers

If you’re looking for a way to enhance your Class 8 Maths, then look no further than the NCERT MCQ Questions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities with Answers. The MCQ Questions for Class 8 Maths with Answers are aligned to all topics covered so it will be helpful when preparing for your exams, no matter what subject you’re studying! Don’t forget about scoring maximum points during exam preparation by using these free Class 8 Maths Chapter 9 Algebraic Expressions and Identities Objective Questions.

## Algebraic Expressions and Identities Class 8 MCQs Questions with Answers

What are you waiting for? Get all the answers to Class 8 Maths Chapter 9 MCQs! It’s time that students power up and start practicing these MCQ Questions of Algebraic Expressions and Identities Class 8 with answers. The best way of doing so would be solving them yourself in order not only to know which answer is correct but also to understand why each solution works as well.

Question 1.
When numbers/literals are added or subtracted, they are called _________.
(a) identities
(b) expressions
(c) variables
(d) terms

Question 2.
The expression 7xy has the factors
(a) 7,x,y
(b) x,y
(c) 7,x
(d) 7,y

Question 3.
Which of the following is like term as 7xy?
(a) 9
(b) 9x
(c) 9y
(d) 9xy

Question 4.
The like terms of the following are
(a) x, 3x
(b) x, 2y
(c) 2y, 6xy
(d) 3x, 2y

Question 5.
The coefficient in the term -5x is
(a) 5
(b) -5
(c) 1
(d) 2

Question 6.
How many terms are there in the expression 5xy + 9yz + 3zx + 5x – 4y ?
(a) 1
(b) 3
(c) 4
(d) 5

Question 7.
Which of the following is a monomial?
(a) 4x2
(b) a + 6
(c) a + 6 + c
(d) a + b + c + d

Question 8.
Add: 7xy + 5yz – 3zx, 4yz + 9zx – 4y, –3xz + 5x – 2xy.
(a) 5xy + 3zx + 5x – 4y
(b) 5xy + 9yz +2zx + 5x – 4y
(c) 5xy + 9yz +3zx + 5x – 4y
(d) 5xy + 9yz +3zx + 4y

Answer: (c) 5xy + 9yz +3zx + 5x – 4y

Question 9.
Like terms in the expression 7x, 5x2, 7y, -5yx, -9x2, are
(a) 7x, -5yx
(b) 5x2, -5yx
(c) 5x2, -9x2
(d) 7x, 7y

Question 10.
The coefficient of x in the expression -7x +5 is
(a) 5
(b) -7
(c) 7
(d) 0

Question 11.
Expressions consists of _____________ and _______________.
(a) variables, constants
(b) identities
(c) expressions
(d) none of these

Question 12.
The volume of rectangular box whose length, breadth and height is 2p,4q.8r respectively is
(a) 14pqr
(b) 2p+4q+8r
(c) 64pqr
(d) 64

Question 13.
Which of the following is a binomial?
(a) 4x + y + 2
(b) 2x + 7
(c) 3x + 4y – 6
(d) 3x

Question 14.
The area of triangle is’ xy’ where’ x’ is length and ‘y’ is breadth. If the length of rectangle is increased by 5 units and breadth is decreased by 3 units, the new area of rectangle will be
(a) (x-y)(x+3)
(b) (xy+15)
(c) (x+5)(y-3)
(d) (xy+5-3)

Question 15.
Value of expression ‘a(a2+a +1)+5’ for ‘ a’ = 0 is
(a) a+5
(b) 1
(c) 6
(d) 5

Question 16.
n (4 + m) = 4n + ___
(a) 4m
(b) 4n
(c) 4mn
(d) nm

Question 17.
If x = 3 is solution of x2 + kx + 15, value of k is
(a) k = -8, x = 3
(b) k = 8, x = 5
(c) k = 6, x = 5
(d) None of above

Answer: (a) k = -8, x = 3

Question 18.
How many terms are there in the expression 5 – 3xy ?
(a) 1
(b) 2
(c) 3
(d) 5

Question 19.
The expression x + y + z is in
(a) one variable
(b) no variable
(c) three variables
(d) two variables

Question 20.
Terms are added to form ___________.
(a) expressions
(b) terms
(c) identities
(d) none of these

Question 21.
The number of terms in the expression 2x2+3x+5 is
(a) 1
(b) 2
(c) 3
(d) 5

Question 22.
Which of the following is an expression?
(a) $$\frac { 1 }{ 2 }$$
(b) 3
(c) 3x-2
(d) 2