Core setup: position vectors and ratios
Core setup: position vectors and ratios

In vector proof questions, every important point is usually described from a fixed origin OOO. Most answers are then written using base vectors such as aaa and bbb.
Step-by-step lessons on Edexcel IGCSE Maths Vectors Proof Questions. Each one builds up to exam-style questions. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.