Let's mix a little algebra into our discussion of absolute value. What if we are looking for the |x|? If we know what x equals, we can do it. Follow along. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/e/comparing_absolute_values?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/comparing-absolute-values?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We're about to take off! ... https://www.youtube.com/watch?v=r6hS_8nm1jM Note: All Khan Academy content is available for free at (www.khanacademy.org)

Review of balance sheets. Difference between illiquidity and insolvency. More free lessons at: http://www.khanacademy.org/video?v=ZUEjRYe7MRk ... https://www.youtube.com/watch?v=ZUEjRYe7MRk Note: All Khan Academy content is available for free at (www.khanacademy.org)

Given the graph of a skydiver's altitude, Sal finds the average rate of change in altitude over a given time interval. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/average-rate-of-change-word-problems/e/average-rate-of-change-word-problems?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Watch the next lesson: https://www.khanacademy.org/math/algebra/algebra-functions/average-rate-of-change-word-problems/v/average-rate-of-change-with-function-notation-word-problem?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? https://www.khanacademy.org/math/algebra/algebra-functions/average-rate-of-change-word-problems/v/average-rate-of-change-from-table-word-problem?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI ... https://www.youtube.com/watch?v=-6EqUILZ1yw Note: All Khan Academy content is available for free at (www.khanacademy.org)

132-134, pg. 289. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/test-prep/gmat/data-sufficiency/v/gmat-data-sufficiency-34?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-32?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 practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. ... https://www.youtube.com/watch?v=-uZt8MLeDrg Note: All Khan Academy content is available for free at (www.khanacademy.org)