Vocabulary for Pre-Algebra Ch. 8
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| empty set | another name for a null set
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| equivalent equations | two or more equations with the same solution
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| inverse operations | operation that unddoes another, such as addition and subtraction
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| identity | an equation that is true for every value of the variable
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| null set | set with no elements shown by the symbol { }
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| solution | a value for the variable that makes an equation true
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| two-step equation | an equation that contains two operations
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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.
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.
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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msjonesbss
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