NCERT Solutions for Class 8 Maths Exercise 9.1

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NCERT Solutions for Class 8 Maths Exercise 9.1 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 Maths chapter wise NCERT solution for Maths Book all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

NCERT solutions for Class 8 Maths Algebraic Expressions and Identities Download as PDF

NCERT Solutions for Class 8 Maths Exercise 9.1

NCERT Solutions for Class 8 Maths Algebraic Expressions and Identities

Class –VIII Mathematics (Ex. 9.1)
NCERT SOLUTION
1. Identify the terms, their coefficients for each of the following expressions:

(i)      

(ii)  

(iii)    

(iv)

(v)     

(vi)

Ans. (i) Terms:  and

Coefficient in  is 5 and in  is

(ii) Terms:  and

Coefficient of  and coefficient of  is 1.

(iii) Terms:  and

Coefficient in  is 4, coefficient of  is  and coefficient of  is 1.

(iv) Terms:  and

Coefficient of is , coefficient of  is 1 and coefficient of  is

(v) Terms:  and

Coefficient of  is  coefficient of  is  and coefficient of  is

(vi) Terms:  and

Coefficient of  is 0.3, coefficient of  is  and coefficient of  is 0.5.


NCERT Solutions for Class 8 Maths Exercise 9.1

2. Classify the following polynomials as monomials, binomials, trinomials. Which polynomials do not fit in any of these three categories:

Ans. (i) Since  contains two terms. Therefore it is binomial.

(ii) Since 1000 contains one terms. Therefore it is monomial.

(iii) Since  contains four terms. Therefore it is a polynomial and it does not fit in above three categories.

(iv) Since contains three terms. Therefore it is trinomial.

(v) Since  contains two terms. Therefore it is binomial.

(vi) Since contains three terms. Therefore it is trinomial.

(vii) Since  contains three terms. Therefore it is trinomial.

(viii) Since  contains two terms. Therefore it is binomial.

(ix) Since  contains four terms. Therefore it is a polynomial and it does not fit in above three categories.

(x) Since  contains one terms. Therefore it is monomial.

(xi) Since  contains two terms. Therefore it is binomial.

(xii) Since  contains two terms. Therefore it is binomial.


NCERT Solutions for Class 8 Maths Exercise 9.1

3. Add the following:

(i)

(ii)

(iii)

(iv) 

Ans. (i)

(ii)

Hence the sum if 0.

Hence the sum is

(iii)

(iv)

Hence the sum is

Hence the sum is

.


NCERT Solutions for Class 8 Maths Exercise 9.1

4. (a) Subtract  from

(b) Subtract  from

(c) Subtract  from

Ans. (a) 

(b)

(c)

NCERT Solutions for Class 8 Maths Exercise 9.1

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7 thoughts on “NCERT Solutions for Class 8 Maths Exercise 9.1”

  1. Not good at all but helpfull and you should give 2 method of adding but you have give vertically you have’nt give horizentally method plz give then it will more helpfull for a weak student like me

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