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Laura Amatulli
Laura Amatulli
(Rochester Hills - United States)

<p>Teaching 8th grade in a middle school in suburban Detroit I have strong interests in Earth Science and leadership. &nbsp;I &nbsp;have been a teacher consultant for our local National Writing Project site, Meadow Brook Writing Project, which keeps me  ...

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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