FP3.2.4 - Simple loci problems

Simple loci problems.

Use fp3.2.4 - simple loci problems to connect the rule to the data and decision in the question.

This matters because fp3.2.4 - simple loci problems determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply fp3.2.4 - simple loci problems to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: FP3.2.4 - Simple loci problems is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.