Question

complete the sentence.
if a point lies on the x-axis, then its ______ must be 0.
x-coordinate y-coordinate
submit

Explanation:

In the coordinate system, points on the x - axis have the form \((x,0)\), where the \(y\) - value (y - coordinate) is 0. For example, the point \((2,0)\) is on the x - axis, and its y - coordinate is 0. So if a point lies on the x - axis, its y - coordinate must be 0.

Answer:

y - coordinate