n Learning and Teaching Mathematics - Making my unimportant mathematical discovery count

Volume 2006, Issue 3
  • ISSN : 1990-6811


One night I was sitting at my desk preparing the next day's lecture of a course for pre-service maths teachers. We were dealing with the quadratic function at the time and in the next session I was planning to focus on the different forms of the quadratic equation [i.e. the general form = ; the turning point form : = ; and the "root form" : = where α and ß are roots] and the different information that each equation gives us. Although this work is covered in Grade 11 mathematics, I knew from experience that students would benefit from revisiting aspects like completing the square and the origins of the quadratic formula.

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