12.1: Table of Symbols
- Page ID
- 49417
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\(( )\) | Parentheses (grouping symbols) |
\([ ]\) | Brackets (grouping symbols) |
\(\{ \}\) | Braces (grouping symbols) |
\(=\) | equal |
\(\not = \) | not equal to |
\(\approx\) | approximately equal to |
\(>\) | greater than |
\(<\) | less than |
\(≥\) | greater than or equal to |
\(≤\) | less than or equal to |
\(x\) | variable or constant |
\(-x\) | negative of \(x\) (opposite of \(x\)) |
\(|x|\) | absolute value of \(x\) |
\(\dfrac{1}{x}\) | reciprocal of \(x\) |
\((a, b)\) | ordered pair with component \(a\) and second component \(b\) |
\(\pi\) | the irrational number pi, often approximated by \(3.14\) |
\(\sqrt{a}\) | the principal square root of \(a\) |
\(-\sqrt{a}\) | the secondary square root of \(a\) |