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INSTRUCTORS Carleen Eaton Grant Fraser Eric Smith

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For more information, please see full course syllabus of Algebra 1
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Lecture Comments (4)

0 answers

Post by Roman Kozulin on August 14, 2012

How is 0-0<6 false ? How is 0 not less then 6 ?

Graphing Systems of Inequalities

  • A system of inequalities is two inequalities in the same two variables. The solution is the set of all ordered pairs that satisfy both inequalities.

  • To solve a system of inequalities, graph each inequality. The solution of the system is the intersection of the graphs of the inequalities.

  • If the intersection is empty, the system has no solution.

  • In certain real world problems, only solutions that are positive numbers or integers make sense.

Graphing Systems of 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
  • System of Inequalities 0:26
    • Example
  • Solving a System of Inequalities 1:17
    • Example
  • Lecture Example 1 2:58
  • Lecture Example 2 7:22
  • Additional Example 3
  • Additional Example 4