INSTRUCTORSCarleen EatonGrant Fraser

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1 answer

Last reply by: Dr Carleen Eaton
Tue Oct 9, 2012 11:45 PM

Post by Carroll Fields on October 1, 2012

In the latter part of Example III, 4x+2y> or = to -2. The test point is (1,2) , so the result should be 2 is greater than or equal to -2(1)-1; not 2 is > or = to -2(2)-1. Making the final answer 2> or = to -3, not 2> or = to -5 ( as listed )

Solving Systems of Inequalities By Graphing

  • To solve a system, 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.

Solving Systems of Inequalities By Graphing

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.

Mathematics: Algebra 2