quadratic
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Complete the Square for Vertex Form

This post provides a handout that guides students through the various steps for completing the square to transform an equation into vertex form. Students are guided through each step in isolation. Overview Students are presented each step in a separate chunk of the lesson. Then the steps are chained together, with scaffolding that is faded.…
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Factoring Quadratics – Loh Method

Dr. Po-Shen Loh shared a possible new method for factoring a quadratic. This post provides a layman’s attempt to share the steps that teachers may find intriguing and possibly useful, especially for complex roots. Dr. Loh’s Website Here is a link to a page on his site that provides his explanation. Factoring Background In the…
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Introduction to Key Characteristics of Graphs Using a Rollercoaster

I introduce key characteristics with parabolas and use the analogy of a rollercoaster. Riding once (and never a again) the Superman rollercoaster at Six Flags New England got me thinking about this. At one point the rollercaster hits ground level (a zero) and then goes underground (negative y values). Here is a handout I use…
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Unpacking Graphs Using a Rollercoaster

I introduce key characteristics with parabolas and use the analogy of a rollercoaster. Riding once (and never a again) the Superman rollercoaster at Six Flags New England got me thinking about this. At one point the roller coaster hits ground level (a zero) and then goes underground (negative y values). Handout Here is a handout…
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Mailbag Jan 29 2018
