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Lesson

Factorisation Method

A quadratic equation is an equation in which the highest power of the variable is 2, usually written in the form ax² + bx + c = 0, where a, b, and c are real numbers and a ≠ 0. The presence of the x² term gives quadratics their characteristic U-shaped graphs when plotted as parabolas. These equations appear frequently in real-life situations involving area, motion, optimisation, and symmetrical patterns.

40min lesson

Objectives3 goals Lesson12 blocks Review16 assets Practice32 items

Learning objectives

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3 goals

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Understand factorisation method in the Quadratic Equations chapter.
Connect the idea with formulas, examples, and exam-style questions.
Use flashcards, notes, MCQs, and LAQs to check readiness.

Lesson

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12 sections

Concept

Standard Form of a Quadratic Equation

A quadratic equation is written in the form ax² + bx + c = 0. The highest power of x is 2. 💡 Exam Tip: Before choosing a method, check whether the expression factorises easily. If using the formula, write the discriminant clearly to identify the nature of roots. ⚠️ Common Mistake: Students often make sign mistakes while substituting into the quadratic formula or ignore the discriminant completely. 📌 Trigger: Factorise if possible, else formula

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12 lesson sections8 cards / 8 notes18 MCQs / 14 written questions

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Notes

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1
Understanding Quadratic Equations and Their Structure
2
Graphical Interpretation of Quadratic Equations
3
Methods of Solving Quadratic Equations
4
Discriminant and Nature of Roots

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18 MCQs14 LAQsMixed test

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Quadratic Equations

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Quadratic Equations
Standard Form of a Quadratic Equation
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Completing the Square
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Factorisation Method

What to understand

Step-by-step lesson

Standard Form of a Quadratic Equation

Standard Form of a Quadratic Equation example