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INSTRUCTORS Carleen Eaton Grant Fraser

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For more information, please see full course syllabus of Algebra 2
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Graphing Inequalities

  • The graph of a linear inequality is a half plane bounded by a straight line.

  • If the inequality is strict (< or >), then draw the boundary as a dashed line, otherwise draw it as a solid line.

  • Use a test point, normally the origin, to determine which half plane is the solution of the inequality. Shade that region.

Graphing Inequalities

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Graphing Linear Inequalities 0:11
    • Example: Linear Inequalities
    • Half Plane
    • Test Point
  • Graphing Absolute Value Inequalities 5:38
    • Example: Linear Inequalities
    • Example: Absolute Value
  • Lecture Example 1 11:39
  • Lecture Example 2 14:50
  • Additional Example 3
  • Additional Example 4