Ordinate of all points on the X-axis is

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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