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MOD 5 VOCAB

QuestionAnswer
Counterexample A statement or example that shows a conjecture is false.
Cube Root One of three equal factors of a number. If a to the 3 power=b, then a is the cube root of b. The cube root of 64 is 4 since 4 to the 3 power= 64.
Inverse Operation Pairs of operation 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 = line through it 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 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.
Principle Square Root The positive square root of a number.
Radical Sign The symbol used to indicate a positive square root, division bar.
Real Number The set of rational numbers together with the set of irrational numbers.
Square Root One of the two equal factors of a number. If a to the second power = b, then a is the square root of b. A square root of 144 is 12 since 12 to the second power = 144.
Truncating A process of approximating a decimal number by eliminating all decimal places past a certain point without rounding.
Created by: user-1835340
 

 



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