Algebra I (Acellus) > Real Numbers > Flashcards

Real Numbers Flashcards

(7 cards)

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1
Q

What is the name of numbers the cave men created?

A

the natural set of numbers

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2
Q

natural set of numbers

A

1, 2, 3, 4, 5, …

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3
Q

whole set of numbers

A

0, 1, 2, 3, 4, …

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4
Q

negative set of numbers

A

-1, -2, -3, -4, -5, …

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5
Q

integers

A

… -3, -2, -1, 0, 1, 2, 3, …

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6
Q

rational numbers

A

all the numbers p/q such that q is not 0

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7
Q

irrational numbers

A

any real number that cannot be expressed as a ratio of integers

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