In Section 7–4, we’ll need to graph systems with more than two inequalities. The procedure is similar to the one for two inequalities: graph each individual inequality, and the solution of the system is the set of points shaded on all of the graphs. Use this procedure in Exercises 37–42.
37.
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- Algebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellGlencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill