Horizontal Line - Slope, Equation

A horizontal line is a straight line that is drawn from left to right or right to left and it is parallel to the x-axis in the coordinate plane. A horizontal line has an intercept only on the y-axis and not on the x-axis.

Vertical and Horizontal Lines, Slope of Zero and Undefined Slopes

Determining Slopes from Equations, Graphs, and Tables

Worked example: slope from two points (horizontal line) (video

Equation for a Vertical Line and a Horizontal Line - ppt download

Slope of Horizontal Line - Definition & Examples - Expii

Horizontal Line - Slope, Equation

Slope of Horizontal Line - Definition & Examples - Expii

Slope - Wikipedia

Mathwords: Horizontal Line Equation