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17 Cards in this Set
 Front
 Back
What is a variable?

a letter or symbol that stands for a number


Numerical Expression

an expression that names a particular number


Variable Expression

an expression that contains a variable


Equation

A mathematical sentence that contains an equal sign


Open sentence

a sentence that has one or more variables


Domain

a given set of numbers that may repeat a variable


Solution

any value of a variable that makes a open sentence true


solution set

the set of all solutions to an open sentence


digits

numbers 1,2,3,4,5,6,7,8,9


whole numbers

0,1,2,3.....


intergers

2,1,0,1,2


real number

all positive and negative numbers and zero


graph

point on a number line


coordinate

number paired with a point on a number


opposites

numbers and different sides of zero on a number line that same distance from zero


absolute value

distance a number is from zero


What is the Order of Operations

1. Grouping Symbols ()
2. Exponents or Powers 3. Division or Multiplication (Left to Right) 4. Addition or Subtraction (Left to Right) 