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The coordinate surfaces of the Cartesian coordinates (x, y, z). The z-axis is vertical and the x-axis is highlighted in green. Thus, the red plane shows the points with x = 1, the blue plane shows the points with z = 1, and the yellow plane shows the points with y = −1.
In three-dimensional space, the Cartesian coordinate system is based on three mutually perpendicular coordinate axes: the $x$-axis, the $y$-axis, and the $z$-axis, illustrated below. The three axes intersect at the point called the origin.
The horizontal axis in the coordinate plane is called the x-axis. The vertical axis is called the y-axis. The point at which the two axes intersect is called the origin. The origin is at 0 on the x-axis and 0 on the y-axis. Locations on the coordinate plane are described as ordered pairs.
Watch a video that explains how to plot points and draw shapes on a coordinate plane, a useful tool for geometry and algebra.
27 Σεπ 2020 · The horizontal axis in the coordinate plane is called the x-axis. The vertical axis is called the y-axis. The point at which the two axes intersect is called the origin. The origin is at 0 on the x-axis and 0 on the y-axis. Locations on the coordinate plane are described as ordered pairs.
The z-axis can be visualized as an extension of the 2D coordinate plane. Given that the x- and y- axes are the horizontal and vertical axes on a page, the z-axis can be visualized as coming out of, and going through the page, creating the third dimension.
