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*slope*

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slope

[ temporary import ]

**please note:**

- the content below is remote from Wikipedia

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**slope**or

**gradient**of a line is a number that describes both the

*direction*and the

*steepness*of the line.WEB,weblink Oxford Concise Dictionary of Mathematics, Gradient, C., Clapham, J., Nicholson, Addison-Wesley, 2009, 348, 1 September 2013, yes,weblink" title="web.archive.org/web/20131029203826weblink">weblink 29 October 2013, Slope is often denoted by the letter

*m*; there is no clear answer to the question why the letter

*m*is used for slope, but its earliest use in English appears in O'Brien (1844){{citation|first=M.|last=O'Brien|title=A Treatise on Plane Co-Ordinate Geometry or the Application of the Method of Co-Ordinates in the Solution of Problems in Plane Geometry|place=Cambridge, England|publisher=Deightons|year=1844}} who wrote the equation of a straight line as {{nobreak|1="

*y*=

*mx*+

*b*"}} and it can also be found in Todhunter (1888){{citation|first=I.|last=Todhunter|title=Treatise on Plane Co-Ordinate Geometry as Applied to the Straight Line and Conic Sections|place=London|publisher=Macmillan|year=1888}} who wrote it as "

*y*=

*mx*+

*c*".WEB, Weisstein, Eric W., Slope, MathWorld--A Wolfram Web Resource,weblink 30 October 2016, no,weblink" title="web.archive.org/web/20161206182915weblink">weblink 6 December 2016, Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line. Sometimes the ratio is expressed as a quotient ("rise over run"), giving the same number for every two distinct points on the same line. A line that is decreasing has a negative "rise". The line may be practical - as set by a road surveyor, or in a diagram that models a road or a roof either as a description or as a plan.The

*steepness*, incline, or grade of a line is measured by the absolute value of the slope. A slope with a greater absolute value indicates a steeper line. The

*direction*of a line is either increasing, decreasing, horizontal or vertical.

- A line is
**increasing**if it goes**up**from left to right. The slope is**positive**, i.e. m>0. - A line is
**decreasing**if it goes**down**from left to right. The slope is**negative**, i.e. m

**- content above as imported from Wikipedia**

- "

- time: 9:31am EDT - Wed, Jun 19 2019

- "

__slope__" does not exist on GetWiki (yet)- time: 9:31am EDT - Wed, Jun 19 2019

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