We have compiled the NCERT MCQ Questions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 8 Maths with Answers on a daily basis and score well in exams. Refer to the Algebraic Expressions and Identities Class 8 MCQs Questions with Answers here along with a detailed explanation.

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

Choose the correct option.

Question 1.

Which of the following is the numeral coefficient of – 3x²y²?

(a) 4

(b) 3

(c) 2

(d) -3

## Answer

Answer: (d) -3

Question 2.

What kind of polynomial is -5abc?

(a) Monomial

(b) Binomial

(c) Trinonial

(d) None of the above

## Answer

Answer: (a) Monomial

Question 3.

The value ofx² – 2yx + y² when x= 1; y = 2 is

(a) 1

(b) 2

(c) 4

(d) 5

## Answer

Answer: (a) 1

Question 4.

How many terms are there in the expression 7 – 3x²y?

(a) 1

(b) 2

(c) 3

(d) 4

## Answer

Answer: (b) 2

Question 5.

Which of the following is a binomial?

(a) 3xy

(b) 41 + 5m

(c) 2x + 3y-5

(d) 4a – 7ab + 3b + 12

## Answer

Answer: (b) 41 + 5m

Question 6.

The sum of -7x, 3x and 11x

(a) – 7x

(b) 21x

(c) 7x

(d) -21x

## Answer

Answer: (c) 7x

Question 7.

What do you get when you subtract. -3xy from 5xy?

(a) 3xy

(b) 5xy

(c) 8xy

(d) 2xy

## Answer

Answer: (c) 8xy

Question 8.

The area of a rectangle with length 2l²m and breadth 31m² is

(a) l³m³

(b) 2l³m³

(c) 4l³m³

(d) 6l³m³

## Answer

Answer: (d) 6l³m³

Question 9.

The volume of the cuboid of dimensions x, y, z is

(a) x²y²z²

(b) x³y³z³

(c) xyz

(d) x²y²z

## Answer

Answer: (b) x³y³z³

Question 10.

The value of (x + y) (x + y) + (y – z) (y + z) + (z – x) (z + x) is equal to

(a) 3x²

(b) 3y²

(c) 3z²

(d) 0

## Answer

Answer: (d) 0

Question 11.

Which of the following is the numerical coefficient of x² y²?

(a) 0

(b) 1

(c) x²

(d) y²

## Answer

Answer: (b) 1

Question 12.

Which of the following is the numerical coefficient of -5xy?

(a) 5

(b) x

(c) 5

(d) y

## Answer

Answer: (c) 5

Fill in the blanks

Question 1.

The coefficient of-5x is ………………

## Answer

Answer: 5

Question 2.

An expression having only one term is called ………………

## Answer

Answer: monomial

Question 3.

An expression having only three terms is called ………………

## Answer

Answer: trinomial

Question 4.

The product of (4x + y) (4x – y) is ………………….

## Answer

Answer: 16x² – y²

Question 5.

The sum of a a – b + 3 and 3a + 2b + 5 is ……………….

## Answer

Answer: 4a + b + 8

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