If the y coordinate of a point is zero, then this point always lies
(A) in I quadrant
(B) in II quadrant
(C) on x-axis
(D) on y-axis
Answer: (C) on x-axis
Solution.
We know that coordinate of x axis are (x, 0)
i.e., the y coordinate is zero on the x-axis.
So if the y-coordinate of a point is zero, then this point always lies on the x-axis.
Therefore option (C) is correct.