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This problem is a checkpoint for solving and graphing inequalities. It will be referred to as Checkpoint 7.

For parts (a) through (c), solve each inequality and graph its solutions. For parts (d) and (e), graph the system and shade the solution region.

Check your answers by referring to the Checkpoint 7 materials located at the back of your book.

Ideally, at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 7 materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.

Answers and extra practice are located in the back of your printed textbook or in the Reference tab of your eBook. If you have an eBook, login and then click the following link: Checkpoint 7: Solving and Graphing Inequalities