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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73-76, pg. 284. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/test-prep/gmat/data-sufficiency/v/gmat-data-sufficiency-17?utm_source=YT&utm_medium=Desc&utm_campaign=GMAT Missed the previous lesson? https://www.khanacademy.org/test-prep/gmat/data-sufficiency/v/gmat-data-sufficiency-15?utm_source=YT&utm_medium=Desc&utm_campaign=GMAT GMAT on Khan Academy: Sal works through the 249 problem solving questions in chapter 5 of the the 11th edition of the official GMAC GMAT Review (ISBN Number: 0-9765709-0-4 published in 2005) About Khan Academy: Khan Academy offers…

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Description of the 5 step process along with 2 example problems.