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# Alg II 2-8 Inequalities

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### Alg II 2-8 Inequalities

1. 1. Algebra II Chapter 2 Functions, Equations, and Graphs© Tentinger
2. 2.  Essential Understanding: Graphing an inequality in two variable is similar to graphing a line. The graph of a linear inequality contains all points on one side of the line and may not include the points on the line. Objectives: Students will be able to graph two-variable inequalities
3. 3.  Algebra A-CED.2. Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales. Functions F-IF.7. Graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases.★
4. 4.  Linear Inequality: an inequality in two variables whose graph is a region of the coordinate plane bounded by a line known as the boundary line. The boundary line separates the graph into two half planes, one of which consists of solutions to the inequality.
5. 5.  To determine where to shade, pick a test point that is not on the boundary line. If that point satisfies the inequality, shade the half plane that includes the test point. If that point does not satisfies the inequality, shade the half plane that doesn’t include the test point.
6. 6.  y ≥ -2x + 1 y < -2x + 1 y – 4 ≥ 2|x – 1|
7. 7.  Pg. 118-119 # 8, 12, 13, 18, 21, 40, 42, 45 (8 problems)