An ordered pair identifies a unique point on the coordinate plane: the first coordinate gives horizontal displacement from the origin, and the second gives vertical displacement. Integer coordinates may lie in any quadrant or on an axis, with signs indicating direction; preserving coordinate order prevents confusing a point with its reflection. This understanding is limited to plotting and interpreting integer-coordinate points, not rational or decimal coordinates, graphing equations, or transformations.
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An ordered pair tells you where to plot a point on the coordinate plane.
Always use the coordinates in order: move horizontally first, then vertically.
Example: Plot the point .
The point is in Quadrant II because it is left of the -axis and above the -axis. Do not switch the coordinates: would be a different point.
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