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# 7th Math Mod1

### Rational Numbers

TermDefinition
intergers the set of whole numbers and their opposites. Expressed symbolically {...-3,-2,-1,0,-1,2,3}
opposites two numbers that are an equal distance from zero on a number line
rational numbers any number that can be expressed as a ration of two integers. EX. 6 can be expressed as 6/1. 0.5 can be expressed as 1/2.
additive inverse the opposite of a number. EX. the additive inverse of 0.5 is -0.5.
repeating decimal a decimal in which one or more digits repeat infinitely. EX. 0.3333… is written as 0.3 ̅
set a group of terms. EX.{…-4,-2,0,2,4…} is the set of even numbers
subset a set contained within a set. EX. {2,4,6…} is a subset of the even numbers. It is the set of positive even numbers.
terminating decimal a decimal number that ends, or terminates. EX. 6.75
Created by: ashaver