Question:
Ordinate of all points on the X-axis is
(a) 0
(b) 1
(c) – 1
(d) any’number
Solution:
(a) Ordinate of all points on the X-axis is zero. Because ordinate (or y-coordinate) of a point is perpendicular distance of this point from the X-axis
measured along the Y-axis.
If point lies on X- axis, then the perpendicular distance of point from X- axis will be zero, so ordinate will be zero.
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