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Laurah Jurca
Laurah Jurca
(Laurel - United States)

<p>I currently serve as an ESOL Coach for my school district in Maryland. I work with both ESOL and mainstream teachers to help them improve the quality of their instruction for their English language learners. During my career, I have taught grades k-8,  ...

A Study of Malaria and Sickle Cell Anemia

This investigation of the genetics of the Sickle Cell trait via a mathematical model uses probability and teaches properties of quadratic functions and the concept of optimization of a function. The properties of quadratic functions brought out by this investigation are

-the relationship between the zeros of the function and its factors,

-the relationship between the zeros and the location of its vertex,

-the symmetry of its graph, and the location of its extreme point,

-factors of quadratics of the form ax^2 + bx

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