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Quadratic Equations
High trendapprox. 5 marksSections B/C/D — root finding, discriminant analysis and word problems.
CBSE 2027 — dates, rules and official papers →Ask the tutor1When the question asks for nature of roots, you must compute D and write the conclusion sentence — both are needed for full marks.
Notesformulae · proofs · mind-map — one view
Learn the 4 conceptsteach yourself first, then practise each
Standard form ax² + bx + c = 01–2 marks Visual
Identify a, b, c before applying any other tool.
Quadratic formula x = [−b ± √(b²−4ac)] / 2a3–5 marks
Use when factoring is unclear or asked explicitly.
Discriminant D = b² − 4ac (nature of roots)2–3 marks Visual
Decide if roots are real & distinct, equal, or non-real.
Factorisation method2–3 marks Visual
Fastest route when a, b, c are small integers.
When you’re ready — practise or test the whole topic