
 Students will use technology to graph and evaluate linear inequalities.
 Students will write and manipulate inequalities for use on a graphing calculator.
 Students will use knowledge of intercepts to analyze inequalities.


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 1.2.2: The student will solve linear inequalities and describe the solution using numbers, symbols, and/or graphs.


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 Student Worksheet
 Extra Practice Problems
 Answer Keys
 Graphing calculators
Print Version: (Acrobat 94k) The print version contains all student worksheets and answer keys needed to complete the lesson.


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 Entering and evaluating inequalities on a graphing calculator.
 Using the trace and intercept capabilities of the calculator.


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 Drill.
 Evaluating Inequalities Using the Calculator  Have students work in pairs to write an inequality for the given situation and solve the inequality in slopeintercept form.
 Exploration  Students will enter the inequality into the calculator to get an appropriate picture of the situation. Students will answer questions using the calculator and mathematical reasoning about the inequality.
 Class Discussion  Students will explain the mathematical knowledge used to answer various questions throughout the lesson.
 Additional problems  These problems are provided for you to use in any one of a variety of ways such as homework, an individual check for understanding, review, or quiz. They are provided at the end of the lesson.


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