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

## Answer

Answer: (d) terms

Question 2.

The expression 7xy has the factors

(a) 7,x,y

(b) x,y

(c) 7,x

(d) 7,y

## Answer

Answer: (a) 7,x,y

Question 3.

Which of the following is like term as 7xy?

(a) 9

(b) 9x

(c) 9y

(d) 9xy

## Answer

Answer: (d) 9xy

Question 4.

The like terms of the following are

(a) x, 3x

(b) x, 2y

(c) 2y, 6xy

(d) 3x, 2y

## Answer

Answer: (a) x, 3x

Question 5.

The coefficient in the term -5x is

(a) 5

(b) -5

(c) 1

(d) 2

## Answer

Answer: (b) -5

Question 6.

How many terms are there in the expression 5xy + 9yz + 3zx + 5x – 4y ?

(a) 1

(b) 3

(c) 4

(d) 5

## Answer

Answer: (d) 5

Question 7.

Which of the following is a monomial?

(a) 4x^{2}

(b) a + 6

(c) a + 6 + c

(d) a + b + c + d

## Answer

Answer: (a) 4x^{2}

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

Answer: (c) 5xy + 9yz +3zx + 5x – 4y

Question 9.

Like terms in the expression 7x, 5x^{2}, 7y, -5yx, -9x^{2}, are

(a) 7x, -5yx

(b) 5x^{2}, -5yx

(c) 5x^{2}, -9x^{2}

(d) 7x, 7y

## Answer

Answer: (c) 5x^{2}, -9x^{2}

Question 10.

The coefficient of x in the expression -7x +5 is

(a) 5

(b) -7

(c) 7

(d) 0

## Answer

Answer: (b) -7

Question 11.

Expressions consists of _____________ and _______________.

(a) variables, constants

(b) identities

(c) expressions

(d) none of these

## Answer

Answer: (a) variables, constants

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

## Answer

Answer: (c) 64pqr

Question 13.

Which of the following is a binomial?

(a) 4x + y + 2

(b) 2x + 7

(c) 3x + 4y – 6

(d) 3x

## Answer

Answer: (b) 2x + 7

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)

## Answer

Answer: (c) (x+5)(y-3)

Question 15.

Value of expression ‘a(a^{2}+a +1)+5’ for ‘ a’ = 0 is

(a) a+5

(b) 1

(c) 6

(d) 5

## Answer

Answer: (d) 5

Question 16.

n (4 + m) = 4n + ___

(a) 4m

(b) 4n

(c) 4mn

(d) nm

## Answer

Answer: (d) nm

Question 17.

If x = 3 is solution of x^{2} + 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

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

## Answer

Answer: (b) 2

Question 19.

The expression x + y + z is in

(a) one variable

(b) no variable

(c) three variables

(d) two variables

## Answer

Answer: (c) three variables

Question 20.

Terms are added to form ___________.

(a) expressions

(b) terms

(c) identities

(d) none of these

## Answer

Answer: (a) expressions

Question 21.

The number of terms in the expression 2x^{2}+3x+5 is

(a) 1

(b) 2

(c) 3

(d) 5

## Answer

Answer: (c) 3

Question 22.

Which of the following is an expression?

(a) \(\frac { 1 }{ 2 }\)

(b) 3

(c) 3x-2

(d) 2

## Answer

Answer: (c) 3x-2

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