α β γ Remainder Thm: p(a) Factor: p(a)=0 ⟹ (x−a) (a+b)²=a²+2ab+b² a³+b³+c³−3abc
p(x)
Chapter 2  ·  Class IX Mathematics  ·  MCQ Practice

MCQ Practice Arena

Polynomials

Zeroes, Factors and Identities — Build the Algebra Foundation That Carries You Forward

📋 50 MCQs ⭐ 26 PYQs ⏱ 60 sec/Q

MCQ Bank Snapshot

50Total MCQs
20Easy
22Medium
8Hard
26PYQs
60 secAvg Time/Q
7Topics
Easy 40% Medium 44% Hard 16%

Why Practise These MCQs?

CBSE Class IXNTSEState Boards

Polynomials in Class IX focuses on terminology (degree, coefficient, zero), the Remainder and Factor Theorems, and algebraic identities. These MCQs are direct and formula-driven — 70% can be solved by substitution or identity application. CBSE exams award 1–2 MCQs from this chapter; NTSE uses factor theorem and identity-based reasoning. The five key identities alone cover 30% of all questions.

Topic-wise MCQ Breakdown

Definitions: Degree, Terms, Coefficients6 Q
Types of Polynomials (Linear/Quad/Cubic)5 Q
Zeroes of a Polynomial8 Q
Remainder Theorem10 Q
Factor Theorem8 Q
Algebraic Identities (5 key identities)10 Q
Factorisation of Polynomials3 Q

Must-Know Formulae Before You Start

Recall these cold before attempting MCQs — they appear in >70% of questions.

$(a+b)^2 = a^2+2ab+b^2$
$(a-b)^2 = a^2-2ab+b^2$
$a^2-b^2 = (a+b)(a-b)$
$(a+b)^3 = a^3+3a^2b+3ab^2+b^3$
$(a-b)^3 = a^3-3a^2b+3ab^2-b^3$
$a^3+b^3+c^3-3abc = (a+b+c)(a^2+b^2+c^2-ab-bc-ca)$
$p(a) = 0 \Rightarrow (x-a)\ \text{is a factor (Factor Theorem)}$

MCQ Solving Strategy

Remainder Theorem MCQs: to find remainder when p(x) is divided by (x−a), simply compute p(a). Factor Theorem: (x−a) is a factor if and only if p(a) = 0 — test by substitution. For identity MCQs, recognise the pattern first (is it a²−b²? a cubic? a+b+c form?) then substitute. For degree MCQs, the degree is the highest power of the variable — ignore coefficients.

⚠ Common Traps & Errors

Difficulty Ladder

Work through each rung in order — do not jump to Hard before mastering Easy.

① Easy

Identify degree and type, find zeroes by substitution, apply (a+b)² and a²−b²

② Medium

Remainder theorem with quadratics/cubics, factor theorem to find k

③ Hard

Cubic factorisation, a³+b³+c³−3abc identity, multi-step simplification

★ PYQ

CBSE — remainder + factor theorem; NTSE — identity-based computation

Continue Your Preparation

🎯 Knowledge Check

Maths — Polynomials

50 Questions Class 9 MCQs
1
Which of the following is a polynomial?
2
What is the degree of the polynomial \(5x^3 + 4x^2 - 3x + 1\)?
3
Which of the following is a binomial?
4
What is the sum of the coefficients of the polynomial \(3x^2 + 5x – 7\)?
5
Which of the following is a polynomial of degree 2?
6
The coefficient of \(x^2\) in the polynomial \(x^3 + 4x^2 - 7x + 2\) is:
7
What is the degree of the polynomial \(2x^5 - 3x^4 + 4x^2 + 1\)?
8
Which of the following is a monomial?
9
The degree of the polynomial \(7x^4 - 3x^2 + 5x – 6\) is:
10
Which of the following polynomials is a perfect square trinomial?
11
Which of the following is a factor of \(x^2 – 4\)?
12
The product of two polynomials is always:
13
The roots of the polynomial \(x^2 - 5x + 6\) are:
14
Which of the following is a factor of \(x^2 – 9\)?
15
If \(x + 2\) is a factor of the polynomial \(x^2 + bx + c\), then the value of \(b\) is:
16
What is the sum of the roots of the polynomial \(x^2 - 5x + 6\)?
17
What is the product of the roots of the polynomial \(x^2 - 7x + 12\)?
18
Which of the following is the factorization of \(x^2 - 4x – 5\)?
19
Which of the following is a polynomial with three terms?
20
If the polynomial \(x^2 + 3x + 2\) is divided by \(x + 1\), the remainder is:
21
The factorization of \(x^2 – 16\) is:
22
The polynomial \(3x^2 - 2x + 1\) is:
23
What is the degree of the polynomial \(6x^4 - 3x + 2\)?
24
Which of the following is a constant polynomial?
25
What is the result of dividing \(x^2 – 9\) by \(x + 3\)?
26
Which of the following polynomials is a cubic polynomial?
27
If \(x – 3\) is a factor of \(x^2 + x – 6\), the other factor is:
28
What is the sum of the squares of the roots of \(x^2 - 6x + 9\)?
29
Which of the following is the factorization of \(x^2 + 3x – 10\)?
30
What is the value of the polynomial \(2x^2 + 3x – 4\) at \(x = 2\)?
31
The roots of the polynomial \(x^2 – 9\) are:
32
Which of the following is the factorization of \(x^2 + 6x + 9\)?
33
The polynomial \(2x^3 - x^2 + 5x – 3\) is of degree:
34
What is the result of \(3x^2 + 5x – 7\) when \(x = -1\)?
35
The polynomial \(x^2 - 4x + 3\) is a:
36
Which of the following is a factor of \(x^2 + 4x + 3\)?
37
Which of the following is a polynomial of degree 4?
38
What is the sum of the coefficients of the polynomial \(3x^3 - 2x^2 + 4x – 5\)?
39
The polynomial \(x^2 - 4x + 3\) can be factored as:
40
What is the degree of the polynomial \(x^5 - 3x^2 + 2x – 4\)?
41
Which of the following is the factorization of \(x^2 + 6x + 9\)?
42
If the sum of the roots of the quadratic polynomial \(x^2 - 4x + 3\) is 4, then the roots are:
43
The factorization of \(x^2 + 7x + 10\) is:
44
The polynomial \(x^3 - x^2 + 3x – 3\) can be factored as:
45
The value of \(x^2 - 2x + 5\) at \(x = 3\) is:
46
What is the product of the roots of the polynomial \(x^2 - 7x + 12\)?
47
The roots of the polynomial \(x^2 + 2x + 1\) are:
48
Which of the following polynomials has a degree of 5?
49
If x+4x + 4 is a factor of \(x^2 + 7x + 12\), the other factor is:
50
The polynomial \(x^2 - 3x – 4\) can be factored as:
📚
ACADEMIA AETERNUM तमसो मा ज्योतिर्गमय · Est. 2025
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NCERT Class 9 Maths Chapter 2 Polynomials MCQs
NCERT Class 9 Maths Chapter 2 Polynomials MCQs — Complete Notes & Solutions · academia-aeternum.com
This set of multiple-choice questions is based on the topic Introduction to Polynomials. The questions cover key concepts such as types of polynomials (monomials, binomials, trinomials), polynomial expressions, zeroes of polynomials, the Factor Theorem, and essential algebraic identities. These MCQs are designed to test your understanding and application of fundamental ideas in polynomials, helping to strengthen your algebraic foundation.
🎓 Class 9 📐 Mathematics 📖 NCERT ✅ Free Access 🏆 CBSE · JEE
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academia-aeternum.com/class-9/mathematics/polynomials/mcqs/ Copy link
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    Polynomials — Learning Resources

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    📌 Exercise
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    Exercise 2.1 Exercise 2.2 Exercise 2.3 Exercise 2.4
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    ACADEMIA AETERNUM तमसो मा ज्योतिर्गमय · Est. 2025
    Sharing this chapter
    NCERT Class 9 Maths Chapter 2 Polynomials MCQs
    NCERT Class 9 Maths Chapter 2 Polynomials MCQs — Complete Notes & Solutions · academia-aeternum.com
    This set of multiple-choice questions is based on the topic Introduction to Polynomials. The questions cover key concepts such as types of polynomials (monomials, binomials, trinomials), polynomial expressions, zeroes of polynomials, the Factor Theorem, and essential algebraic identities. These MCQs are designed to test your understanding and application of fundamental ideas in polynomials, helping to strengthen your algebraic foundation.
    🎓 Class 9 📐 Mathematics 📖 NCERT ✅ Free Access 🏆 CBSE · JEE
    Share on
    academia-aeternum.com/class-9/mathematics/polynomials/mcqs/ Copy link
    💡
    Exam tip: Sharing chapter notes with your study group creates a reinforcement loop. Teaching a concept is the fastest path to mastering it.

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