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Mod 5 Vocab

TermDefinition
counterexample a statement or example that shows a conjecture is false
cube root one of three equal factors of a number
inverse operations pairs of operations that undo each other. Addition/multiplication and subtraction/ division are inverse operation.
irrational number a number that cannot be expressed as a ratio a over b.
natural numbers the set of numbers used for counting.
perfect cube a number whose cube root is an integer. 27 is a perfect square cube because its cube root is 3
perfect square a number whose square root is a whole number. 25 is perfect square because its square root is 5.
principal square root the positive square root of a number.
radical sign the symbol used to indicate a positive square root.
real number the set of rational number together with the set of irrational numbers.
square root one of the two equal factors of a number.
truncating a process of approximating a decimal number by eliminating all decimal places past a certain point without rounding.
Created by: user-1981829
 

 



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