Algebra Glossary - O
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opposites:	Two numbers whose sum is zero. Also called additive inverses.
ordered pair:	A pair of numbers that identifies the location of a particular point on a graph.
ordered triples (X, Y, Z):	The set that is the solution of an equation in three variables.
origin (on a graph):	The point of intersection of the coordinate axes. It is designated (0. 0).
origin (on a number line):	The point on the number line associated with zero.
outcome:	The result of an experiment.

Note: The terms in this collection may not be entirely accurate.
They are for reference only.

opposites: