Algebra 2 - set of real numbers

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6 Terms

1
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natural numbers

{1,2,3…} no fractions or decimals

2
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whole numbers

{0,1,2,3…} no fraction or decimals

3
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integers

{…-2,-1,0,1,2…} no fractions or decimals

4
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rational numbers

any number that can be expressed as a fraction a/b so b can’t = 0, can’t divide anything by 0

5
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irrational numbers

Any number that can’t be expressed as a fractions (non-repeating, non-terminating decimals) pie and square root of 2

6
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real numbers

the union of rational and irrational numbers