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The halfway idea

The halfway idea

Completing the square rewrites a quadratic so the first part is a perfect square. The key algebraic expansion used for this process is:

2.2 Completing the Square Lesson

  1. A Level
  2. /Maths
  3. /2.2 Completing the Square

Step-by-step lessons covering Edexcel A Level Maths 2.2 Completing the Square 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