Zero. A horizontal line has an equation of the form y=n, where n is a number, which can also be written as y=0x+n. Note that because x is multiplied by zero, the function does not vary with x, that is, the function does not change horizontally.
Chat with our AI personalities
On the Cartesian plane the horizontal number line is the x axis.
It has no slope and it is a horizontal line parallel to the x axis on the Cartesian plane.
The x-axis.
A straight line on the Cartesian plane
Plot its straight line equation on the Cartesian plane