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What the discriminant tells you

What the discriminant tells you

Three side-by-side parabolas showing two roots, one repeated root, and no real roots The quadratic formula is shown below:

2.4 The Discriminant Lesson

  1. A Level
  2. /Maths
  3. /2.4 The Discriminant

Step-by-step lessons covering Edexcel A Level Maths 2.4 The Discriminant for A Level Maths. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build fluency with the core pure algebra and calculus toolkit early, since almost every mechanics and statistics topic on the course depends on it.

Lessons