### What are Horizontal Lines? - Definition & Equations ...

A horizontal line is a line which has zero slope value. All points on a horizontal line have the same y value. Examples. Look at a wall, and look down to where that wall meets the floor.

### Horizontal - math word definition - Math Open Reference

A horizontal line is one which runs left-to-right across the page. In geometry, a horizontal line is one which runs from left to right across the page. It comes from the word horizon, in the sense that horizontal lines are parallel to the horizon.

### Horizontal & vertical lines | Slopes (video) | Khan Academy

Sep 06, 2018 · If we were talking about a horizontal line, then wed say y doesnt change. So if x doesnt change, that means that x is just going to be equal to some constant value. Well, if it contains the points negative five comma negative two, so if it has a point where x is equal to negative five and if x never changes, its a vertical line…

### Horizontal line - definition of Horizontal line by The ...

Horizontal line. (Descriptive Geometry & Drawing) a constructive line, either drawn or imagined, which passes through the point of sight, and is the chief line in the projection upon which all verticals are fixed, and upon which all vanishing points are found. Websters Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

### Horizontal and Vertical Lines

A line parallel to the x-axis is called a horizontal line. The graph of a relation of the form x = 5 is a line parallel to the y -axis because the x value never changes. Note:

### How to Remove Automatic Horizontal Lines in Word

Jul 05, 2017 · Word automatically formats items like quotes, bulleted and numbered lists, and horizontal lines. When you type at least three dashes, underscores, or equal signs in a paragraph by themselves and press “Enter”, the characters are automatically converted to a single, thick single, or double horizontal line, respectively.

### How to add a HORIZONTAL LINE to a Chart in Excel - Target ...

While creating a chart in Excel, you can use a horizontal line as a target line or an average line. This horizontal line can be a dynamic or a constant.

### 3 Ways to Insert a Line in Word - wikiHow

Oct 21, 2019 · Draw your line. Click and drag across the place in which you want to insert the line in your Word document to do so. You can move your line by clicking and dragging it. You can also adjust the lines length and orientation by clicking and dragging one of the circles on the ends (or in the middle) of the line.

### How to Insert Lines in Word

In the Format Horizontal Line dialog box, modify the width, height, color, and alignment of the line. To move a line, drag the line to another location. To resize a line, select the line, then drag a sizing handle.

### Horizontal and Vertical Lines 1

Horizontal and Vertical Lines 1 - Cool Math has free online cool math lessons, cool math games and fun math activities. Really clear math lessons (pre-algebra, algebra, precalculus), cool math games, online graphing calculators, geometry art, fractals, polyhedra, parents and teachers areas too.

### How To Make Horizontal Lines <HR> In HTML & CSS

Its easy to add horizontal lines using either HTML or CSS, but it may not work like you think. Horizontal lines are a way to separate content and can be done using the HTML HR element or CSS border rules.

### Line (geometry) - Wikipedia

The notion of line or straight line was introduced by ancient mathematicians to represent straight objects (i.e., having no curvature) with negligible width and depth.Lines are an idealization of such objects. Until the 17th century, lines were defined as the "[…] first species of quantity, which has only one dimension, namely length, without any width nor depth, and is nothing else than the ...

### Add a Horizontal Line to an Excel Chart - Peltier Tech Blog

Sep 11, 2018 · A common task is to add a horizontal line to an Excel chart. The horizontal line may reference some target value or limit, and adding the horizontal line makes it easy to see where values are above and below this reference value.

### Horizontal Line Definition and Example - Investopedia

Horizontal Line: In finance and economics, a horizontal line is usually the X axis in a data plot. It is a line that appears to proceed from left to right, or parallel to the x-axis in coordinate ...

### Insert a line - Office Support

Insert a line by typing a few characters. The fastest way to add a horizontal line or rule is to use the AutoFormat feature. When you type certain characters three times on their own line and then press Enter, those characters instantly become a horizontal line.

### HTML hr tag - W3Schools

Differences Between HTML 4.01 and HTML5. In HTML5, the <hr> tag defines a thematic break. In HTML 4.01, the <hr> tag represents a horizontal rule.

### Horizontal Line Options in LaTeX | Techwalla.com

\hline. The command "\hline" is the simplest of the horizontal line options in LaTeX and, most of the time, it is the one you want. It will simply draw a horizontal line between the paragraphs that proceed and follow it when the document is rendered.