Class 9 Maths Chapter 2 Polynomials multiple-choice questions (MCQs) are provided here online with answers. All the objective questions are given here, as per the latest CBSE syllabus (2020-2021) and NCERT curriculum. Solving these chapter-wise MCQs will help students to score good marks in the final exam. Also, check Important Questions for Class 9 Maths.

## MCQs on Chapter 2 Polynomials

Check the multiple-choice questions for 9th Class Maths Polynomial chapter. Each MCQ will have four options here, out of which only one is correct. Students have to pick the correct option and check the answer provided here.

**1) x ^{2}-2x+1 is a polynomial in:**

a. One Variable

b. Two Variables

c. Three variable

d. None of the above

**Answer:** a

Explanation: x^{2}-2x+1 can be written as x^{2}-2x^{1}+1x^{0}. Hence, we can see that x is the only variable having powers as whole numbers: 2,1 and 0.

**2) The coefficient of x ^{2} in 3x^{3}+2x^{2}-x+1 is:**

a. 1

b. 2

c. 3

d. -1

**Answer:** b

Explanation: The coefficient of x^{2} in equation 3x^{3}+2x^{2}-x+1 is the multiple of x^{2}.

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

a. 20x + 1

b. x/20 + 1

c. x^{20} +1

d. x^{2}+20

**Answer:** c

Explanation: A polynomial having two terms and the highest degree 20 is called a binomial of degree 20.

**4) The degree of 4x ^{3}-12x^{2}+3x+9 is**

a. 0

b. 1

c. 2

d. 3

**Answer:** d

Explanation: The degree is the highest power of a variable in an equation.

**5) x ^{2} – x is ________ polynomial.**

a. Linear

b. Quadratic

c. Cubic

d. None of the above

**Answer:** b

Explanation: A polynomial of degree two is known as a quadratic polynomial.

**6) x – x ^{3} is a ________ polynomial.**

a. Linear

b. Quadratic

c. Cubic

d. None of the above

**Answer:** c

Explanation: A polynomial of degree three is known as a cubic polynomial.

**7) 1+3x is a _________ polynomial.**

a. Linear

b. Quadratic

c. Cubic

d. None of the above

**Answer:** a

Explanation: A polynomial of degree one is known as a linear polynomial.

**8) The value of f(x) = 5x−4x ^{2}+3 when x = -1, is:**

a. 3

b. -12

c. -6

d. 6

**Answer:** c

Explanation: When x= -1

f(x)=5x−4x^{2}+3

f(−1)=5(−1) −4(−1)^{2}+3

=−5–4+3

=−6

**9) The value of p(t) = 2+t+2t ^{2}−t^{3} when t=0 is**

a. 2

b. 1

c. 4

d. 0

**Answer:** a

Explanation: p(0)=2+0+2(0)^{2}–(0)^{3}=2

**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

Explanation: f(x)=2x+7

⇒2x+7=0

⇒2x=−7

⇒x=−7/2

∴x = −7/2 is a zero polynomial of the polynomial f(x).

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