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The ordinate of any point on x-axis is (...

The ordinate of any point on x-axis is (a) 0 (b) 1 (c) `-1` (d) any number

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The abscissa and ordinate are used to represent the position of a point on a graph.
The coordinates of the X-axis on the cartesian plane is called abscissa.
It is the distance measure from Y-axis measured parallel to X-axis.
Ordinate of all the points on the x-axis is `0`.
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