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Connecting parabolas and quadratic functions

  • Autores: Wendy B. Sanchez, David Glassmeyer, Sam Shah (ed. lit.), David Custer (ed. lit.)
  • Localización: Mathematics teacher, ISSN-e 2330-0582, ISSN 0025-5769, Vol. 110, Nº 5, 2016-2017, págs. 380-386
  • Idioma: inglés
  • DOI: 10.5951/mathteacher.110.5.0380
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • We present a three-part activity allowing students to connect parabolas of the form (x – h)2 = 4p(y – k) to the general equation of quadratic functions, y = ax2 + bx + c. Part 1 asks students to explore parabolas using paper folding, followed by a dynamic computer representation. In part 2, students work algebraically to connect geometric and algebraic representations of parabolas. Part 3 asks students to perform symbolic manipulation to generate the equation of a parabola and make connections to quadratic functions


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