Interval Notation (Subsets of Real Numbers)
Used to denote continuous subsets of real numbers. Open interval: (a, b) = x | a < x < b Closed interval: [a, b] = x | a ≤ x ≤ b Half - open (or half - closed)…
Syllabus path: Sets and Inequalities › Sets › Methods of Representing Sets
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CSCA Mathematics Formula Reference
Formula and explanation
Used to denote continuous subsets of real numbers. Open interval: (a, b) = x | a < x < b Closed interval: [a, b] = x | a ≤ x ≤ b Half - open (or half - closed) intervals: (a, b] = x | a < x ≤ b or [a, b) = x | a ≤ x < b
Related tutorial and examples
Methods of Representing Sets
Methods of Representing Sets In the CSCA exam, questions often switch between Set - Builder Notation (in the question stem) and Interval Notation (in the options). Mastering the conversion between these methods is a prerequisite for solving inequality problems. 1. Roster Method L…
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