If you are thinking of the square root symbol, √ , it means the number which, when multiplied by itself, makes the number following the symbol. √9 = 3, for example, because 3 x 3 = 9. √ 121 = 11 because 11 x 11 = 121
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They use Greek symbols in math since Greek mathematicians invented math.
marks on a number line showing where the numbers are
when you have form in symbols
Parentheses ( ), brackets [ ], and braces { }
a formula or sometimes an equation.