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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. IF a³=b, then a is the cube root of b. The cube root of 64 is 4 since 4³=64.
Inverse Operations Pairs of operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations.
Irrational Number A number that cannot be expressed as the ratio a/b, where a and b are integers and b doesnt equal 0.
Natural Numbers The set of numbers used for counting.
Perfect Cube A number whose cube root is an integer. 27 is a perfect cube because its cube root is 3
Perfect Square A number whose square root is a whole number. 25 is a 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 Numbers The set of numbers that can be written in the form a/b where a and b are integers and b does not equal zero.
Square Root One of the two equal factors of a number. If a²=b, then a is the square root of b.
Truncating A process of approximating a decimal number by eliminating all decimal places pas a certain point without rounding.
Created by: user-1981838
 

 



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