The '''X-axis''' is the [[horizontal]] axis on a two-dimensional [[Ren%C3%A9_Descartes|Cartesian]] [[coordinate plane]], as opposed to the [[vertical]] axis, or [[y-axis]]. The [[point]] at which a [[line]] crosses the x-axis is referred to as the [[x-intercept]].
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The '''X-axis''' is the [[horizontal]] axis on a two-dimensional [[Cartesian]] [[coordinate plane]], as opposed to the [[vertical]] axis, or [[y-axis]]. The [[point]] at which a [[line]] crosses the x-axis is referred to as the [[x-intercept]].
It is the axis that goes this way: _________________________________________________________________
It is the axis that goes this way: _________________________________________________________________