## RS Aggarwal Class 9 Solutions Chapter 2 Polynomials Ex 2A

These Solutions are part of RS Aggarwal Solutions Class 9. Here we have given RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2A.

**Other Exercises**

- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2A
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2B
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2C
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2D
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2E
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2F
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2G
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2H
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2I
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2J
- RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2K

**Question 1.**

**Which of the following expressions are polynomials ?**

**In case of polynomial,write its degree**

**Solution:**

(i) x^{5}-2x^{3}+x+7 is a polynomial and its degree is 5

(ii) y^{3}-√3y is a polynomial and its degree is 3

**Question 2.**

**Write the degree of each of the following polynomials:**

**Solution:**

(i) Degree is 1

(ii) degree is 3

(iii) degree is zero

(iv) degree is 7

(v) degree is 10

(vi) degree is 2

**Question 3.**

**Write**

**Solution:**

(i) Coefficient of x^{3} is -5.

(ii) Coefficient of x is -2√2

(iii) Coefficient of x^{2} is

(iv) Coefficient of x^{2} is 0

**Question 4.**

**(i) Give an example of a binomial of degree 27**

**(ii) Give an example of a monomial of degree 16**

**(iii) Give an example of a trinomial of degree 3.**

**Solution:**

(i) Example of a binomial of degree 27 is 4x^{27} – 5

(ii) Example of a monomial of degree 16 is x^{16}

(iii) Example of trinomial of degree 3 is 2x^{3} + 7x + 4

**Question 5.**

**Classify the following as linear, quadratic and cubic polynomials :**

**(i) 2x ^{2} + 4x**

**(ii) x – x**

^{3}**(iii) 2 – y – y**

^{2}**(iv) – 7 + z**

**(vi) 5t**

**(vi) p**

^{3}**Solution:**

(i) 2x

^{2}+ 4x is a quadratic polynomial. (Degree 2)

(ii) x – x

^{3}is a cubic polynomial (Degree 3)

(iii) 2 – y – y

^{2}is a quadratic polynomial (Degree 2)

(iv) – 7 + z is a linear polynomial (Degree 1)

(v) 5t is a linear polynomial (Degree 1)

(vi) p

^{3}is a cubic polynomial (Degree 3)

Hope given RS Aggarwal Solutions Class 9 Chapter 2 Polynomials Ex 2A are helpful to complete your math homework.

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