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

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 8 Maths book Chapter 9 Algebraic Expressions and Identities with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 8 Maths Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Algebraic Expressions and Identities. Each Questions has four options followed by the right answer. Download the Maths Quiz Questions with Answers for Class 8 free Pdf and prepare to exam and help students understand the concept very well.

(i) 7,x,y
(ii) x,y
(iii) 7,x
(iv) 7,y

(i) 7,x,y

## Q2. The expression 4xy + 7 is in

(i) one variable
(ii) two variables
(iii) no variable
(iv) none of these.

(ii) two variables

## Q3. What kind of polynomial is -5abc?

(i) Monomial
(ii) Binomial
(iii) Trinonial
(iv) None of the above

(i) Monomial

(i) 1/2
(ii) 3
(iii) 3x-2
(iv) 2

(iii) 3x-2

(i) x, 3x
(ii) x, 2y
(iii) 2y, 6xy
(iv) 3x, 2y

(i) x, 3x

(i) 5
(ii) 10
(iii) 25
(iv) -5.

(iii) 25

(i) 1
(ii) 2
(iii) 3
(iv) 4

(ii) 2

(i) 1
(ii) 2
(iii) 3
(iv) 5

(iii) 3

(i) 1
(ii) 3
(iii) 4
(iv) 5

(iv) 5

(i) 1
(ii)2
(iii) 4
(iv) 5.

(iv) 5

(i) – 7x
(ii) 21x
(iii) 7x
(iv) -21x

(iii) 7x

## Q12. The expression x + y + z is in

(i) one variable
(ii) no variable
(iii) three variables
(iv) two variables

(iii) three variables

(i) 7x, -5yx
(ii) 5x², -5yx
(iii) 5x², -9x²
(iv) 7x, 7y

(iii) 5x², -9x²

## Q14. The value of x² – xy + y² when x = 0, y = 1 is

(i) 0
(ii) -1
(iii) 1
(iv) none of these.

(iii) 1

(i) l³m³
(ii) 2l³m³
(iii) 4l³m³
(iv) 6l³m³

(iv) 6l³m³

(i) 1
(ii) 2
(iii) 3
(iv) 5

(ii) 2

(i) 14pqr
(ii) 2p+4q+8r
(iii) 64pqr
(iv) 64

(iii) 64pqr

## Q18. Which of the following is a monomial ?

(i) 4x²
(ii) a + 6
(iii) a + 6 + c
(iv) a + b + c + d.

(i) 4x²

(i) 3x²
(ii) 3y²
(iii) 3z²
(iv) 0

(iv) 0

## Q20. If x = 3 is solution of x² + kx + 15, value of k is

(i) k = -8, x = 3
(ii) k = 8, x = 5
(iii) k = 6, x = 5
(iv) None of above

(i) k = -8, x = 3

(i) a+5
(ii) 1
(iii) 6
(iv) 5

(iv) 5

(i) 1
(ii) 2
(iii) 3
(iv) 5.

(iii) 3

(i) 5
(ii) x
(iii) 5
(iv) y

(iii) 5

(i) x, 3x
(ii) x, 2y
(iii) 2y, 6xy
(iv) 3x, 2y

(i) x, 3x

## Q25. If x = 3 is solution of x² + kx + 15, value of k is

(i) k = -8, x = 3
(ii) k = 8, x = 5
(iii) k = 6, x = 5
(iv) None of above

(i) k = -8, x = 3

(i) 1
(ii) 2
(iii) 10
(iv) 20.

(iv) 20

## Q27. The volume of rectangular box whose length, breadth and height is 2p,4q.8r respectively is

(i) 14pqr
(ii) 2p+4q+8r
(iii) 64pqr
(iv) 64

(iii) 64pqr

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