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Chapter one CO

The number system and math properties

integer any number that is positive or negative.
rational any term which can be expressed as a numerator over a denominator.
irrational any term that can not be written as a numerator over a denominator.
associative property grouping using a minimum of three terms for */division.
commutative property order makes no difference in +/*.
reciprocal property ant term times its reciprocal = 1 (ex). 1/2 x 2/1=1.
distributive property multiply the term directly outside the ( ) by EVERYTHING inside the ( ).
identity property identity of addition= any term +0 = itself and identity of multiplication = ant term times one = itself.
opposite property any term plus its opposite = 0.
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Created by: pcg