In a standard Cartesian coordinate plane, which axis is vertical?

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Multiple Choice

In a standard Cartesian coordinate plane, which axis is vertical?

Explanation:
On a standard 2D Cartesian plane, the horizontal axis runs left to right and is called the X axis, while the vertical axis runs up and down and is called the Y axis. The point where they intersect is the origin, (0,0). The Z axis belongs to three-dimensional space and isn’t part of the standard 2D plane. So the axis that goes up and down is the Y axis. For example, moving upward from the origin increases the y-coordinate while the x-coordinate stays at zero.

On a standard 2D Cartesian plane, the horizontal axis runs left to right and is called the X axis, while the vertical axis runs up and down and is called the Y axis. The point where they intersect is the origin, (0,0). The Z axis belongs to three-dimensional space and isn’t part of the standard 2D plane. So the axis that goes up and down is the Y axis. For example, moving upward from the origin increases the y-coordinate while the x-coordinate stays at zero.

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