Interval Notation

Used to denote subsets of real numbers (continuous intervals). Closed interval: [a, b] = x | a ≤ x ≤ b Open interval: (a, b) = x | a < x < b Half - open interv…

Syllabus path: Sets and Inequalities › Sets › Methods of Representing Sets

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CSCA Mathematics Formula Reference

Formula and explanation

Used to denote subsets of real numbers (continuous intervals). Closed interval: [a, b] = x | a ≤ x ≤ b Open interval: (a, b) = x | a < x < b Half - open intervals: [a, b) = x | a ≤ x < b, (a, b] = x | a < x ≤ b Applicable for representing a continuous range on the real number line.

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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