Completion requirements
Watch this lecture series and complete the interactive exercises to review what an inequality is, what it means to find a solution set, and how to represent it on a number line.
Testing solutions to inequalities
Source: Khan Academy, https://www.khanacademy.org/math/algebra-home/alg-basic-eq-ineq/alg-inequalities/v/testing-solutions-to-inequalities This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License.