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In mathematics, the ordinate of an ordered pair (x, y) is its second component, i.e. it is y.

It is the second of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes. The first coordinate, or "x" coordinate, is called the abscissa.

Examples

• The point (12, −18) has an ordinate of −18.
• The point (−7, 3) has an ordinate of 3.

See also

Geometry portal

• Cartesian_coordinate_system#Notations_and_conventions
• Ordered pair
• Abscissa
• Function
• Relation (mathematics)

References

This article was originally based on material from the Free On-line Dictionary of Computing, which is licensed under the GFDL.

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