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Chapter 2 Section 2.7. Objectives To draw graphs of inequalities in two variables. Use a graphing calculator to graph linear inequalities.

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Presentation on theme: "Chapter 2 Section 2.7. Objectives To draw graphs of inequalities in two variables. Use a graphing calculator to graph linear inequalities."— Presentation transcript:

1 Chapter 2 Section 2.7

2 Objectives To draw graphs of inequalities in two variables. Use a graphing calculator to graph linear inequalities

3 Inequality x > 5 05 3y  6 0 2  y  2

4 Linear Inequalities Graph 2y – 3x  6 The boundary will be the graph: 2y – 3x = 6 Find the x- and y- intercepts: (-2, 0) (0,3) Graph the line. Dotted Line or Solid Line Shade on either side of the line.

5 Linear Inequalities 3 -3

6 Steps Graph the boundary. Determine whether it should be solid or dashed. Test a point in each region. Shade the region whose ordered pair results in a true inequality.

7 Objectives To draw graphs of inequalities in two variables. Use a graphing calculator to graph linear inequalities

8 Graphing Technology Open your textbook to page 109. Do exercises 1-9 on graphing paper.

9 Objectives To draw graphs of inequalities in two variables. Use a graphing calculator to graph linear inequalities

10 Closing (p113) Table 2 #’s: 1, 5, 11 Table 3 #’s: 2, 6 Table 4 #’s: 3, 8 Table 5 #’s: 7, 9 Table 6 #’s: 4, 10


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