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Autor: Páll-Szabó, Ágnes Orsolya
Titel: Where Are the Quadratic's Complex Roots?
Quelle: Acta Didactica Napocensia; v8 n1 p37-47 2015
Verlag: Babes-Bolyai University. Kogainiceanu 1, Cluj-Napoca, 400084 Romania. e-mail: submit_adn@yahoo.com; Web site: http://adn.teaching.ro
Erscheinungsjahr: 2015
Dokumenttyp: Journal Articles; Reports - Descriptive
ISSN: -2065-1430
Schlagwörter: Mathematics Instruction; Computer Assisted Instruction; Visualization; Teaching Methods; Equations (Mathematics); Problem Solving; Color; Educational Technology; Foreign Countries; Mathematical Concepts; Romania
Abstract: A picture is worth more than a thousand words--in mathematics too. Many students fail in learning mathematics because, in some cases, teachers do not offer the necessary visualization. Nowadays technology overcomes this problem: computer aided instruction is one of the most efficients methods in teaching mathematics. In this article we try to discuss some methods of visualizing complex roots, with examples. The first method presented is the auxiliary polynomial method, followed by the the tangent line method. One of the most interesting but less known method is Lill's circle. Another method discussed in the article is Domain Coloring via the Color Wheel.
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