Key term for Edexcel GCSE Mathematics, used in Solving Equations and Inequalities.
The straight line equation ( or ) that separates a graph into regions that either satisfy or do not satisfy a specific inequality.
Boundary line appears in Edexcel GCSE Mathematics revision content for Algebra, especially Solving Equations and Inequalities and Inequalities.
Create a free account to access Edexcel GCSE Mathematics revision notes, track progress, and practise related key terms.