# Shared Flashcard Set

## Details

Algebra 1
terms
9
Mathematics
Not Applicable
09/11/2005

Term
 Whole Numbers
Definition
 the set of natural numbers and zero.W=(0,1,2,3,4,5...)
Term
 Natural Numbers and Counting Numbers
Definition
 the set of numbers used in counting
Term
 Integers
Definition
 whole numbers and their opposites
Term
 Integers
Definition
 whole numbers and their opposites J=(...-3,-2,-1,0,1,2,3...)
Term
 Rational Numbers
Definition
 any number that can be expressed as the quotient of 2 integers. Q=Rational NumbersIt is impossible to represent the set of rationals using a graph or using the roster method. The rational numbers include al whole numbers, integers, decimals, and fractions.
Term
 Irrational Numbers
Definition
 cannot be expressed as the ratio of 2 integers. Ex- pi and the square root of 2rationals and irrationals=reals
Term
 Infinate set
Definition
 members cannot be counted.Ex.:Q,N,W,J,reals
Term
 Finate set
Definition
 members can be counted. Ex.: (the even numbers between 20 and 50)
Term
 venn diagram
Definition
 can be used to show the relatonship among sets of numbers.
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