1.1 Real Numbers Flashcards by Katelyn Arrington | Brainscape

Q

Natural Numbers

A

Counting Numbers

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Q

Whole Numbers

A

Counting Numbers and 0

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Q

Integers

A

Whole Numbers and Negative Numbers

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Q

Rational Numbers

A

Any number that can be written as a fraction

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Q

Irrationals

A

Non-terminating and non-repeating (Ex. pi)

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Q

Interval notation

A

(a,b)

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Q

Set-builder notation

A

(x|a

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Q

∪

A

Union

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Q

∩

A

Intersection ( Must be in both )

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