GCSE practice Questions by Topic On this page you will find all the practice questions for the topics covered in your course on the exam. – Geometry and Angles. A I Implication.Intersection (of sets).Interval (real). Q B Basis (linear). J R Relation.Roots/zeroes (of a function). C Combination (linear, of a finite set). K S Set (compact).Set (disjoint).Set (finite/infinite).Subset.Subset (Closed, of the real numbers).Subset (Open, of the real numbers).Subspace.System (of sets). D Derivative of .Dependence (linear).Diagonally dominant matrix. Dot product. L Length (norm) of a vector.Limit definition (function at ). T Tuple. E Equality (of sets). M U Union (of sets). F Field.Family (of sets).Function. N Neighborhood ( – Neighborhood).Neighborhood (deleted). V Vector space. G Group.Group (Abelian). O Operation (on a set). W H Homomorphism. P Point (interior, of a real set).Point (boundary, of a real set). X Y Z