NCERT Mathematics Class 9 Exemplar Ch 2 Polynomials Part 1 (For CBSE, ICSE, IAS, NET, NRA 2023)

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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