Building a perfect square
Building a perfect square
Completing the square rewrites a quadratic into a form where the square is obvious. The aim is to write it as (x+a)2+b(x + a)^2 + b(x+a)2+b, which makes the structure much easier to read.
Building a perfect square
Building a perfect square
Completing the square rewrites a quadratic into a form where the square is obvious. The aim is to write it as (x+a)2+b(x + a)^2 + b(x+a)2+b, which makes the structure much easier to read.
Step-by-step lessons covering CIE IGCSE Maths Completing the Square for Core and Extended tier. Each lesson works through exam-style questions in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) format. Start with the Core-tier fundamentals in number and algebra before moving on to the more demanding Extended-only topics like calculus-adjacent algebra and advanced trigonometry.