[ww-bugs] Bug 3418: New: Problem gives wrong answer for some cases

[bugzilla-daemon at webwork.maa.org]

http://bugs.webwork.maa.org/show_bug.cgi?id=3418

           Summary: Problem gives wrong answer for some cases
           Product: Problem libraries
           Version: unspecified
          Platform: Macintosh
               URL: /opt/webwork/courses/kornelson_math2934_070_fall2015/t
                    emplates/Library/WHFreeman/Rogawski_Calculus_Early_Tra
                    nscendentals_Second_Edition/12_Vector_Geometry/12.6_A_
                    Survey_of_Quadric_Surfaces/12.6.9.pg_with_problemSeed=
                    1234
        OS/Version: Mac OS
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Library (OPL)
        AssignedTo: jj at asu.edu
        ReportedBy: kkornelson at ou.edu
        Web browser ---
           version:


This problem has a coding error - you get the same value of the variable SUM in
two ways, representing 2 different quadric surfaces, but the problem uses that
value to determine the correct answer.  So some of the possible values end up
with the answer given being wrong.

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