## Chapter 1 Vocab

##### Created by:

ereynolds3  on August 23, 2010

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# Chapter 1 Vocab

 natural numbers1, 2, 3, 4...
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#### Definitions

natural numbers 1, 2, 3, 4...
whole numbers 0, 1, 2, 3....
integers -3, -2, -1, 0, 1, 2, 3...
rational numbers -1/2, 7, 3.25
irrational numbers pie, square roots....
real numbers any number
coordinate each point on a number line or graph is paired with exactly two real numbers
graph each number is paired with a point on a number line, called a...
origin The graph of 0
is less than <
is greater than >
absolute value the distance between the graph of a number and the origin on a number line.
numerical expression symbol or group of symbols used to represent a number
numeral synonym for number
value of an expression number represented by the expression
equation a sentence formed by placing a = between two expression
inequality a sentence formed by placing a<, >, or an unequal sign between two expressions
term the numbers added together to reach a sum
difference result of subtracting one number from the other
product result of multiplying numbers
factor the numbers multiplied to reach a product
quotient results of dividing one number by another
power product of equal factors
base repeated factor when in use with a power
exponent the number of times to multiply a base by when being raised to a power
simplifying an expression to replace an expression with the simplest or most common symbol having the same value
evaluating an expression finding the value of the expression
variable symbol used to rpresent any member of a given set
domain a given set of numbers that can replace the variable
values of a variable members of the domain of the variable
algebraic expression a numerical expression, a variable, or a sum, difference, product, or quotient that contains one or more variables
open sentence equation or inequality with variable
solution or root any value or variable that make open sentence true and to satisfy it
solution set set of all solutions to an open sentence
Equivalent Equations equations having the same solution set
solving an equation transforming an equation into simpler equivalent whose solution set is clearly stated

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