Algebra 2

axiom

A statement accepted as true without proof.

closure

The condition that produces a unique element in the sum or product of two original elements.

domain

The set composed of first elements from a set of ordered-pair numbers.

element

One member of a set.

empty set

A set with no elements.

equal sets

Sets whose elements are identical.

equivalent sets

Sets that contain the same number of elements

exponent

A small-sized number placed at the right of and above a symbol that indicates the number of times the symbol appears as a factor.

exponential notation

A shorthand expression for repeated multiplication.

finite set

A set in which the number of elements is possible to reach or exceed by counting

function

A set of ordered-pair numbers such that for each first element there exists a unique second element.

infinite set

A set in which the number of elements is limitless.

integer

Any one of the numbers from negative infinity to positive infinity.

intersection of sets

A set whose elements are common to two other sets.

inverse of a function

A set of ordered-pair numbers in which the range and domain sets are interchanged.

natural numbers

Any one of the numbers from positive one to infinity.

operation

One of two mathematical procedures: addition or multiplication.

range

The set composed of second elements from a set of ordered-pair numbers.

relation

A set or ordered-pair numbers.

set

A collection of objects, concepts, or symbols.

subset

A set whose members are also members of a second set.

theorem

A statement requiring proof.

union of sets

A set whose elements appear in either of two other sets.

whole numbers

Any one of the numbers from zero to infinity.