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17 Cards in this Set

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  • 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)