For three or more numbers, the sum is the same regardless of how you group the numbers. The distance from zero to a number on the number line. Terms that contain the same variables raised to the same powers. In the Quadratic formula, the expression underneath the radical symbol: 3:1 4451:: A way to write a number as a sum ofthe value of its digits. The result when two or more numbers are added. A symbol that represents a quantityr that cannot change (letter, number or symbol]. Absolute value Like terms Expanded form Associative law of addition Discriminant