CHAPTER 1.1- Variable


Variable: a quantity or function that may assume any given value or set of values.

(Personal Definition) Variable: a symbol that can be used to represent any value in an equation.

Example: 5x+2=12

.The value of X isn't given so it can represent any number. In this case, x=2



(Definition for Variable: http://dictionary.reference.com/browse/variable?s=t )