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Tool: Parabola in Vertex Form
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Go to: http://mathforum.org/~annie/gsp/functions/parabolavertex.gsp.html (opens a new window)
Description: This sketch allows the manipulation of a parabola in vertex form. On the first page, the coefficients a, h, and k are restricted to multiples of 0.5. On the second page, they are unrestricted and can be set to exact numbers using the "fine controls".
Technology Type: Sketchpad 
Author: Annie Fetter
Language: English 
Cost: Does not require payment for use

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Courses: Algebra Graphing Quadratics, Vertex Form