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:
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:
Step-by-step lessons covering Edexcel AS Level Maths 2.2 Completing the Square for AS Level Maths. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Build fluency in the core algebra, surds and trigonometry topics early, since they underpin the calculus, statistics and mechanics content that follows.