Wikipedia

File:Quadratic formula.svg

Original file (SVG file, nominally 402 × 124 pixels, file size: 15 KB)

Summary

Description
English: The Quadratic Formula, used to find the value of x in the equation ax2+bx+c=0
Date
Source Wolfram Mathworld
Author Jamie Twells
Other versions
This image shows some kind of formula that could be converted to TeX. Storing formulas as images makes it harder to change them. TeX also helps making sure that they all use the same font and size.
A replacement has been proposed:

In your article, replace the image with: 

<math>x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}</math>
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Licensing

This work is ineligible for copyright and therefore in the public domain because it consists entirely of information that is common property and contains no original authorship.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
14 January 2014, 21:21 402 × 124 (15023 bytes) Jamietwells (talk · contribs) More of a boarder around the formula
14 January 2014, 15:28 361 × 73 (15027 bytes) Jamietwells (talk · contribs) Made by me in Inkscape.

File history

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Date/TimeThumbnailDimensionsUserComment
current02:31, 20 September 2014Thumbnail for version as of 02:31, 20 September 2014402 × 124 (15 KB)OgreBot(BOT): Reverting to most recent version before archival
02:31, 20 September 2014Thumbnail for version as of 02:31, 20 September 2014361 × 73 (15 KB)OgreBot(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2014-01-14 15:28:20 by Jamietwells
22:00, 12 September 2014Thumbnail for version as of 22:00, 12 September 2014402 × 124 (15 KB)Mx. GrangerTransferred from en.wikipedia

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