NCERT Mathematics Class 9 Exemplar Ch 2 Polynomials Part 1

Doorsteptutor material for NSO is prepared by world's top subject experts: fully solved questions with step-by-step explanation- practice your way to success.

Exercise 2.1

1. Which one of the following is a polynomial?

(A)

(B)

(C)

(D)

Answer: C

2. is a polynomial of degree

(A) 2

(B) 0

(C) 1

(D)

Answer: B

3. Degree of the polynomial is

(A) 4

(B) 5

(C) 3

(D) 7

Answer: A

4. Degree of the zero polynomial is

(A) 0

(B) 1

(C) Any natural number

(D) Not defined

Answer: D

5. If , then p is equal to

(A) 0

(B) 1

(C)

(D)

Answer: B

6. The value of the polynomial , when is

(A) – 6

(B) 6

(C) 2

(D) –2

Answer: A

7. If , then is equal to

(A) 3

(B) 2x

(C) 0

(D) 6

Answer: D