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# Algebra 1-Chapter 2

### Algebra 1-Chapter 2 Vocabulary

The numbers 0,1,2,3,... whole numbers
The numbers...,;-3,-2,-1,0,1,2,3...consisting of the negative vales,zero, and the positive values. integers
The integers that are less than 0. negative integers
The integers that are greater than 0. positive integers
A number that can be written as a/b where a and b are integers and b does not equal 0. rational numbers
Two numbers that are the same distance from zero on a number line but are on different sides of 0. opposites
A statement with a hypothesis and a conclusion. conditional statement
A conditional statement with an if part and a then part. The if part containes the hypothesis, and the then part containes the conclusion. if-then statement
An example used to show that an if-then statement is false. counterexample
Two expressions that have the same value for all values of the variable. equivalent expressions
A property that can be used to find the product of a number and a sum or difference. distributive property
The number part of a term with a variable part. coefficient
A term that has a number part but no variable part. constant term
Terms that have the same variable parts like terms
The radical symbol where if b2=a, then b is a square root of a. square root
A number that is a square of an integer perfect square
A number that cannot be written as the quotient of two integers. irrational number
The set of all ratioinal and irrational numbers real numbers
The distance between a given value and 0 on a number line. absolute value
Refers to the number 0 because the sum of any number and 0 is the number. additive identity
The sum of a number and its opposite equals 0. additive inverse
Refers to the number 1 because the product of any number and 1 is the number. multiplicative identity
The product of a number and its reciprocal equals 1. multiplicative inverse
Created by: aelohaus

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