Question

complete the sentence.
on the coordinate plane, the horizontal number line is the ______.
options: x - coordinate, y - coordinate, x - axis, y - axis

Explanation:

In a coordinate plane, the horizontal number line is defined as the x - axis. The x - coordinate and y - coordinate are the values that represent a point's position along the axes, and the y - axis is the vertical number line. So the correct option is the one labeled "x - axis".

Answer:

C. x - axis