Unit 2 Vocabulary
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| numbers 0,1,2,3,... | whole numbers
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| -3,-2,-1,0,1,2,3 | integers
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| a number a/b where a and b are integers and b does not equal 0 | rational number
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| two numbers opposite from 0 on a number line but are on opposite sides of 0 | opposites
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| has a hypothesis and conclusion | conditional statement
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| a collection of distinct objects | set
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| member of the set | element
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| set with no elements | empty set
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| set of all elements under consideration | universal set
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| identity property statubg that the sum of a number a and 0 is a. the number 0 is | additive identity
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| inverse property stating that the sum of a number a and its opposite is 0 | additive inverse
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| rectangular arrangement of numbers in rows and columns | matrix
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| written mXn | dimensions of matrix
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| entry | element
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| parts of an expression that are added together | terms
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| number part of a term with a variable part is called | coefficient
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| has a number part but no variable part | constant term
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| terms that have the same variable parts | like terms
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| if b^2=a then b is the | square root of a
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| the square of an integer is called | perfect square
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| set of all rational and irrational numbers is | real numbers
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| a statement believed to be true but not yet shown to be true | conjecture
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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