# NCERT Solutions for Class 8 Maths Exercise 9.1 ## myCBSEguide App

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NCERT solutions for Class 8 Maths Algebraic Expressions and Identities ## NCERT Solutions for Class 8 Maths Algebraic Expressions and Identities

###### 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

(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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1. healpful

2. 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

3. This is very helpful for those students who can not afford tuition.

4. Very useful

5. Very useful

6. V.v.v.good mean_very very good

7. Yes itsvery useful to students