Question

Ordinate of all points on the $X-$axis is-

Answer 1

Know about abscissa and ordinate of a point.

The distance of a point from the $Y-$ axis is called its $X-$coordinate, or abscissa, and the distance of the point from the $X-$axis is called its $Y-$coordinate, or ordinate.

Let a point is located on the $X-$axis.