Two-dimensional graph: Difference between revisions

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A '''two-dimensional graph''' is a set of points in [[two-dimensional space]]. If the points are [[Function of a real variable|real]] and if [[Cartesian coordinates]] are used, each [[axis (mathematics)|axis]] depicts the potential values of a particular [[real number|real variable]]. Often the variable on the horizontal axis is called ''x'' and the one on the vertical axis is called ''y'', in which case the horizontal and vertical axes are sometimes called the ''x'' axis and ''y'' axis respectively. With real variables on the axes, each point in the [[graph of a function|graph]] depicts the values of two real variables.