Horizontal and Vertical Lines Equations of horizontal and vertical lines only have one variable . In the above graph, the line x = -1 is parallel to y axis, hence it is vertical line. Horizontal lines will also never cross each other and so if you come across two lines that cross each other at a given point, the line which you’re looking at won’t be a horizontal line. Write the equation of the line that passes through (-1, 2)  and (3, 2). I’m Steph and I have a passion for education. Improve your math knowledge with free questions in "Equations of horizontal and vertical lines" and thousands of other math skills. So the slope of a horizontal line will always be written down in formulaic equations as being zero. 2. Now, we’ll consider a vertical line, the line. slope = rise / run = change in y / change in x Q1: Practice your knowledge of horizontal and vertical lines: their graphical presentation, their slopes, and their equations. Improve your math knowledge with free questions in "Equations of horizontal and vertical lines" and thousands of other math skills. Does a horizontal line have a slope? â€¢ If A = 0, then the graph is a horizontal line. 7. To be able to confidently and competently perform simple and complex equations of horizontal and vertical lines, it’s important to first understand the key difference between horizontal lines and vertical lines. Horizontal line: Vertical line: Answer by ikleyn(35908) (Show Source): Remember that vertical lines only have a 'y' value and no 'x' value. Audrina M. asked • 06/06/19 What is the equation of the vertical line through (2,3) Fun fact when either x or y are set equal to zero, you will graph the vertical and horizontal axis of a coordinate plane. Better yet you’ll also discover how to use the slope intercept equation among a few different formulas, that you may use on a regular basis. Equations of Horizontal and Vertical Lines. Audrina M. asked • 06/06/19 What is the equation of the vertical line through (2,3) On this line, the y-coordinate is always 3. â€¢ If B = 0, then the graph is a vertical line. slope = rise / run = change in y / change in x Two points form 4. Transcript: Vertical and Horizontal Lines. Worksheet name: Point – slope form 3. This will be true for any value of y. On the other hand, the equation of a horizontal line comes in the form (5,6) 8. One of the easiest formulas which you should start off with, is the the intercept equation which will help you find the value of a slope. Show Step-by-step Solutions Graphing linear equations vertical and horizontal lines People around the office describe me as a social butterfly, and say that I am friendly and approachable. Your email address will not be published. ». Remember that vertical lines only have a 'y' value and no 'x' value. The line passes through the x x -axis at (a,0) (a, 0). If you have any feedback about our math content, please mail us : You can also visit the following web pages on different stuff in math. 1. So here’s the horizontal line and I highlighted the points on the line. LO: To recognise and be able to plot Horizontal and Vertical lines on a graph KW: Horizontal, Vertical, Graph, Parallel, Value, Function y = 60. When a slope is equal to zero, the line is horizontal. Remember that as your y value will always have the same value, -1, the equation which you should use for your given examples y= -1. where m is the slope and b is the y-intercept. The slope of our special lines is: the vertical lines (C) are undefined slope or no slope and the slope of the horizontal line (d) is 0. A vertical line has a slope that is undefined. In general, linear equation is a function whose graph is a straight line and it is typically written as. The equation becomes y = b, where b is the y-coordinate of the y-intercept. Algebra 2 Horizontal & Vertical Lines. 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