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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,  ...

Lesson 11: Intercepts, Solutions, and Factors

The lesson begins with a situation where the height of a pop fly in baseball is modeled using a quadratic equation. This motivates an inquiry into finding a method for obtaining solutions beyond the a(x-p)^2 = q case, to the general quadratic ax^2 + bx + c = o. Using factoring and the zero product principle is then presented as a method for solving quadratic equations. Area application problems are covered and at the end of the lesson a method for finding a quadratic equation when given the solutions is presented.

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