In this video, I give the solution to question 3 of the 2014-2015 PARCC algebra 2 practice test. The question involves solving a radical equation, factoring and checking for extraneous solutions. A graphic perspective is also considered.

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One of a series of videotaped classroom episodes designed for use as professional development for educators, this episode depicts high school students engaged in three group activities designed to apply algebraic concepts to authentic activities. Students from a Web mastering class document the activities of the algebra students for inclusion on the school Web site.…

This video is about how to memorize Trigonometric Identities easily.

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