Slope of Horizontal Line

We have already mentioned that the slope of the horizontal line is zero. Now let’s learn how the slope of the horizontal line is zero. We calculate the slope of a horizontal line by using the formula,

Slope = Rise/Run

OR

Slope of Line = Change in y-coordinate/Change in x-coordinate

Where Rise is the height gained by the line while running left to right, as we already know that the horizontal line is parallel to the x-axis and is always at the constant height thus, we say that these lines have zero rise, so the slope of these lines is,

Thus, Slope = 0/Run = 0

Thus, it is concluded that the slope of the horizontal line is zero.

Horizontal Line

Horizontal lines are defined as lines that are parallel to the horizon or the ground, hence the name horizontal line. Horizontal line has zero slope, i.e. the inclination angle of these lines is zero degrees. If the horizontal lines are drawn on the Cartesian planes they only make intercept along the y-axis as they are always parallel to the x-axis and never cut it.

In this article, we will learn about the horizontal line, its properties, the slope of the horizontal line, the equation of the horizontal line, examples and FAQs related to the horizontal lines, and others in detail.

Table of Content

  • Horizontal Line Definition
  • Slope of Horizontal Line
  • Drawing a Horizontal Line
  • Horizontal Line Equation
  • Horizontal Line Test
  • Horizontal and Vertical Lines
  • Differences Between Vertical Lines and Horizontal Lines
  • Short Note on Horizontal Line
  • Horizontal Line Examples

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