a mathematical phrase that combines numbers, operation signs and variables
algebraic expression
operations that undo each other, such as addition and subtraction or multiplication and division
inverse operation
the highest number that can be divided evenly into two or more numbers
greatest common factor
in an equation with two variables, the variable whose value affects the dependent variable: for example, "x" in y=x+1
independent variable
in an equation with two variables, the variable whose value affects the independent variable: for example "y" in y=x+1
dependent variable
a set of rules that determines the correct sequence for evaluating expressions
order of operations
a letter or symbol used to represent a number
variable
a number that tells how many times a given base is used as a factor
exponent
a statement that two quantities are equal: contains an equal sign
equation
a mathematical statement that compares two expressions and includes an inequality symbol such as < or >
inequality
the numerical factor of a term containing a variable
coefficient
the repeated factor in an expression with an exponent
base
a number, variable, product or quotient in an expression
term
a combination of numbers and operation signs
expression
a phrase that contains numbers and operations
numerical expression