1. inequality statement showing a relationship between numbers that are not necessarily equal; uses the symbols >, <, ≥, ≤, or ≠
2. opposite numbers
two numbers that are the same distance from zero on the number line but in opposite directions
3. associative property
a(b + c) = ab + ac, or a(b - c) = ab - ac
4. undefined
a property of the real numbers that states that how numbers are grouped in a sum or product does not change the value
5. power
the quotient of any number and zero
6. irrational number
a number that, when in decimal form, does not terminate or repeat
7. distributive property
the value of a base and exponent; also the exponent itself