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Unit Two Words
Unit 2 Vocabulary
| Question | Answer |
|---|---|
| numbers 0,1,2,3,... | whole numbers |
| -3,-2,-1,0,1,2,3 | integers |
| a number a/b where a and b are integers and b does not equal 0 | rational number |
| two numbers opposite from 0 on a number line but are on opposite sides of 0 | opposites |
| has a hypothesis and conclusion | conditional statement |
| a collection of distinct objects | set |
| member of the set | element |
| set with no elements | empty set |
| set of all elements under consideration | universal set |
| identity property statubg that the sum of a number a and 0 is a. the number 0 is | additive identity |
| inverse property stating that the sum of a number a and its opposite is 0 | additive inverse |
| rectangular arrangement of numbers in rows and columns | matrix |
| written mXn | dimensions of matrix |
| entry | element |
| parts of an expression that are added together | terms |
| number part of a term with a variable part is called | coefficient |
| has a number part but no variable part | constant term |
| terms that have the same variable parts | like terms |
| if b^2=a then b is the | square root of a |
| the square of an integer is called | perfect square |
| set of all rational and irrational numbers is | real numbers |
| a statement believed to be true but not yet shown to be true | conjecture |
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