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How Do You Write an Equation for a Horizontal Line?

Note:

Trying to find the equation of a horizontal line that goes through a given point? Remember that vertical lines only have a 'y' value and no 'x' value. Follow along with this tutorial as you see how use the information given to write the equation of a horizontal line.

Keywords:

  • problem
  • equation
  • line
  • horizontal line
  • given point
  • point
  • write equation

Background Tutorials

  • Graphing in the Coordinate Plane

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        What is the X-Coordinate?

      What is the X-Coordinate?

      Ordered pairs are a crucial part of graphing, but you need to know how to identify the coordinates in an ordered pair if you're going to plot it on a coordinate plane. In this tutorial, you'll see how to identify the x-coordinate in an ordered pair!

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        What is the Y-Coordinate?

      What is the Y-Coordinate?

      Ordered pairs are a crucial part of graphing, but you need to know how to identify the coordinates in an ordered pair if you're going to plot it on a coordinate plane. In this tutorial, you'll see how to identify the y-coordinate in an ordered pair!

  • Defining Slope

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        What Does the Slope of a Line Mean?

      What Does the Slope of a Line Mean?

      You can't learn about linear equations without learning about slope. The slope of a line is the steepness of the line. There are many ways to think about slope. Slope is the rise over the run, the change in 'y' over the change in 'x', or the gradient of a line. Check out this tutorial to learn about slope!

  • Horizontal and Vertical Lines

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        What Are Horizontal Lines?

      What Are Horizontal Lines?

      Ever look at the horizon when the sun is rising or setting? Know why it's called the horizon? It's a horizontal line! And just like the horizon, horizontal lines go straight left and right. In this tutorial, you'll learn all about horizontal lines including their slope and what the equation of a horizontal line looks like.

Further Exploration

  • Horizontal and Vertical Lines

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        How Do You Write an Equation for a Vertical Line?

      How Do You Write an Equation for a Vertical Line?

      Trying to find the equation of a vertical line that goes through a given point? Remember that vertical lines only have an 'x' value and no 'y' value. Follow along with this tutorial as you see how use the information given to write the equation of a vertical line.

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        How Do You Graph a Vertical Line?

      How Do You Graph a Vertical Line?

      To graph a vertical line that goes through a given point, first plot that point. Then draw a straight line up and down that goes through the point, and you're done! To see this process in action, watch this tutorial!

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        How Do You Graph a Horizontal Line?

      How Do You Graph a Horizontal Line?

      To graph a horizontal line that goes through a given point, first plot that point. Then draw a straight line left and right that goes through the point, and you're done! To see this process in action, watch this tutorial!