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Polynomials — Syllabus

Karnataka Board · Class 9 · Mathematics

What Polynomials covers in Karnataka Board Class 9 Mathematics: 4 topics, for the 2026-27 session. Topics include Introduction to Polynomials, Types.

45 questions20 flashcards7 formulas & key relations5 concepts

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4 Topics · Karnataka Board Class 9 Mathematics · 2026-27

Topics in Polynomials

1

Introduction to Polynomials

  • A polynomial in one variable x is an expression of the form: aₙxⁿ + aₙ₋₁xⁿ⁻¹ + ... + a₁x + a₀
  • Coefficients (a₀, a₁, ..., aₙ) are constants, and aₙ ≠ 0 for degree n
  • Each part like aₙxⁿ is called a term of the polynomial
2

Types of Polynomials

  • Classification by number of terms: Monomial (1 term), Binomial (2 terms), Trinomial (3 terms)
  • Classification by degree: Linear (degree 1), Quadratic (degree 2), Cubic (degree 3)
  • Standard forms: Linear: ax + b, Quadratic: ax² + bx + c, Cubic: ax³ + bx² + cx + d
3

Zeros of a Polynomial

  • Zero of p(x): A value 'a' such that p(a) = 0
  • Finding zeros: Solve the equation p(x) = 0
  • Linear polynomial: exactly one zero at x = -b/a
4

Remainder Theorem

  • If polynomial p(x) is divided by (x - a), remainder = p(a)
  • Division: p(x) = (x - a) × q(x) + p(a)
  • No actual division needed - just substitute x = a

Key Concepts

A polynomial p(x) = aₙxⁿ +To find p(a)A zero of polynomial p(x)Factor TheoremKey identities with step

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Frequently Asked Questions

What are the important topics in Polynomials for Karnataka Board Class 9 Mathematics?
Key topics in Polynomials include Introduction to Polynomials, Types of Polynomials, Zeros of a Polynomial, Remainder Theorem. Study these first, then practise questions on each for Class 9 exams.
How should I revise Polynomials for Class 9 exams?
Learn the core ideas first, then work through the 45 practice questions on Polynomials. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All Karnataka Board Class 9 Mathematics Syllabus

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