Real Numbers
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| like terms | two or more terms that have the same variable raised to the same power.
Ex. In the expression 3a + 5b +12a, 3a and 12a are like terms.
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| perfect square | a square of a whole number
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| principal square root | the nonnegative square root of a number
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| rational number | any number that can be expressed as a ratio of two integers.
EX. 6 can be expressed as 6/1 and 0.5 can be expressed as 1/2.
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| real number | a rational or irrational number.
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| repeating decimals | a decimal in which one or more digits repeat infinitely.
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| integers | the set of whole numbers and their opposites.
Expressed symbolically {...-3,-2,-1,0,1,2,3...}
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| whole number | the set of natural numbers and zero.
Expressed symbolically {0,1,2,3,...}
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| irrational numbers | a number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal. EX. π, √2
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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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Created by:
ashaver
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