Editing Degenerate conic (section)

== References ==
{{reflist}}
{{refbegin}}
* {{Citation | first = Adam | last = Coffman | url = http://users.ipfw.edu/CoffmanA/pov/lsoc.html | title = Linear Systems of Conics | access-date = 2013-07-03 | archive-date = 2018-07-02 | archive-url = https://web.archive.org/web/20180702063520/http://users.ipfw.edu/CoffmanA/pov/lsoc.html | url-status = dead }}
* {{ Citation | title = A Geometric Interpretation of the Solution of the General Quartic Polynomial | first = William Mark | last = Faucette | journal = [[The American Mathematical Monthly]] | volume = 103 | number = 1 |date=January 1996 | pages = 51–57 | jstor = 2975214 | citeseerx = 10.1.1.111.5574 }}
* {{ Citation | title = On Degenerate Conics | first = J. W. | last = Lasley, Jr. | journal = [[The American Mathematical Monthly]] | volume = 64 | number = 5 |date=May 1957 | pages = 362–364 | publisher = [[Mathematical Association of America]] | jstor = 2309606 }}
* {{ Citation | last = Levy | first = Harry | title = Projective and related geometries | publisher = The Macmillan Co. | location = New York | year = 1964 | pages = x+405 }}
* {{ Citation | title = Note on Degenerate Conics | first = J. J. | last = Milne | journal = The Mathematical Gazette | volume = 13 | number = 180 |date=January 1926 | pages = 7–9 | publisher = The Mathematical Association | jstor = 3602237 }}
* {{citation|last=Pettofrezzo|first=Anthony|title=Matrices and Transformations|publisher=Dover|orig-year=1966|year=1978|isbn=978-0-486-63634-4|url-access=registration|url=https://archive.org/details/matricestransfor0000pett}}
* {{citation|last=Spain|first=Barry|title=Analytical Conics|publisher=Dover|orig-year=1957|year=2007|isbn=0-486-45773-7}}
* {{Citation | title = CRC Standard Mathematical Tables and Formulas | edition = 30th | chapter = 7.2 The General Quadratic Equation | chapter-url = http://www.geom.uiuc.edu/docs/reference/CRC-formulas/node28.html }}
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[[Category:Conic sections]]