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Quadratic Equations

ICSE · Class 10 · Mathematics

Complete topic list for Quadratic Equations in ICSE Class 10 Mathematics. Key concepts, sub-topics, and what to focus on for board exams.

38 questions24 flashcards5 concepts

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A labeled diagram illustrating the general form of a polynomial, distinguishing between real and complex polynomials by highlighting the nature of coefficients and variables. Also includes the definit
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4 Topics · ICSE Class 10 Mathematics

Topics in Quadratic Equations

1

1. Basic ideas and identification

  • A polynomial of first degree is a linear polynomial.
  • A polynomial of second degree is a quadratic polynomial.
  • A quadratic equation has the general form ax²+bx+c=0 with a≠0.
2

2. Finding and verifying roots

  • A root is a value of x that satisfies the quadratic equation.
  • Direct substitution is used to verify whether a number is a root.
  • For x²-18x+72=0, x=6 is verified as a root by substitution.
3

3. Solving quadratic equations by factorisation

  • The quadratic polynomial is first written as a product of two linear factors.
  • Then the zero product rule is applied.
  • This method is useful when factorisation is possible.
4

4. Solving quadratic equations by formula

  • There are two derivation methods: General Method and Sridharacharya Method.
  • Both lead to the same quadratic formula.
  • The discriminant appears inside the square root.

Key Concepts

Central concept: Quadratic Equation

Quadratic PolynomialLinear PolynomialRoot or SolutionFactorisation MethodFormula MethodDiscriminantWord Problems

Frequently Asked Questions

What are the important topics in Quadratic Equations for ICSE Class 10 Mathematics?
Quadratic Equations covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Quadratic Equations — ICSE Class 10 Mathematics?
Understand the core concepts first, then work through the 38 practice questions available for this chapter. Revise formulas and 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.

More resources for Quadratic Equations

All 22 chapters — ICSE Class 10 Mathematics Syllabus

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