CBSE Class 9 Maths Chapter 2 Polynomials MCQs

Class 9 Maths Chapter 2 Polynomials MCQs are provided here online with answers.

1) x²-2x+1 is a polynomial in:

a. One Variable

b. Two Variables

c. Three variable

d. None of the above

Answer: a

2) The coefficient of x² in 3x³+2x²-x+1 is:

a. 1

b. 2

c. 3

d. -1

Answer: b

3) A binomial of degree 20 in the following is:

a. 20x + 1

b. x/20 + 1

c. x²⁰ +1

d. x²+20

Answer: c

4) The degree of 4x³-12x²+3x+9 is

a. 0

b. 1

c. 2

d. 3

Answer: d

5) x² – x is ________ polynomial.

a. Linear

b. Quadratic

c. Cubic

d. None of the above

Answer: b

6) x – x³ is a ________ polynomial.

a. Linear

b. Quadratic

c. Cubic

d. None of the above

Answer: c

7) 1+3x is a _________ polynomial.

a. Linear

b. Quadratic

c. Cubic

d. None of the above

Answer: a

8) The value of f(x) = 5x−4x²+3 when x = -1, is:

a. 3

b. -12

c. -6

d. 6

Answer: c

9) The value of p(t) = 2+t+2t²−t³ when t=0 is

a. 2

b. 1

c. 4

d. 0

Answer: a

10) The zero of the polynomial f(x) = 2x+7 is

a. 2/7

b. -2/7

c. 7/2

d. -7/2

Answer: d

11) What is the degree of the polynomial √3?

a. 0

b. 1

c. 1/2

d. 2

Answer: c

12) The degree of the constant polynomial is

a. 0

b. 1

c. 2

d. 3

Answer: 0

13) One of the linear factors of 3x²+8x+5 is

a. (x+1)

b. (x-2)

c. (x+2)

d. (x-4)

Answer: a

14) The coefficient of x in 7x²+6x-2 is 

a. 2

b. 6

c. -2

d. 7

Answer: b

15) Which of the following is an example of the quadratic polynomial?

a. 7x+3

b. 2x²+x-1

c. x+3x³-9

d. None of the above

Answer: b

16) Find the value of 7²-5².

a. 22

b. 23

c. 24

d. 25

Answer: c

17) If x²+kx+6 = (x+2)(x+3) for all k, find the value of k.

a. -1

b. 1

c. 3

d. 5

Answer: d

18) What is the zero of the polynomial p(x)=cx+d?

a. -c

b. -d

c. -d/c

d. d/c

Answer: c

19) The zero of the polynomial p(x) = -5x+5 is

a. 0

b. -5

c. -1

d. 1

Answer: d

20) which of the following is a constant polynomial?

a. 4x+1

b. 3

c. 2x²

d. 6x+3

Answer: b