Number Systems

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Algebra

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6 Terms

1
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Natural numbers

all counting numbers (ex. 1,2,3…). doesn't include 0

<p>all counting numbers (ex. 1,2,3…). doesn't include 0</p>
2
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Whole numbers

all positive integers and 0 (ex. 0, 1, 2, 3..)

<p>all positive integers and 0 (ex. 0, 1, 2, 3..)</p>
3
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Integers

whole numbers and their opposites, negative and positive wholes (ex. -2, -1, 0, 1, 2..)

<p>whole numbers and their opposites, negative and positive wholes (ex. -2, -1, 0, 1, 2..)</p>
4
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Rational numbers

any numbers that can be written in the form of a fraction

<p>any numbers that can be written in the form of a fraction</p>
5
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Irrational numbers

any number that cannot be written in fraction form. Q with a - on top = a set of irrational number

<p>any number that cannot be written in fraction form. Q with a - on top = a set of irrational number</p>
6
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Real numbers

the union of the rational number set and the irrational number set (all numbers basically)

<p>the union of the rational number set and the irrational number set (all numbers basically)</p>