[ww-bugs] Bug 4376: New: Double root leads to incorrect scoring

[bugzilla-daemon at webwork.maa.org]

http://bugs.webwork.maa.org/show_bug.cgi?id=4376

           Summary: Double root leads to incorrect scoring
           Product: Problem Libraries
           Version: unspecified
          Platform: PC
               URL: /opt/webwork/courses/Math_101_Yuster/templates/Library
                    /Rochester/setDerivatives10MaxMin/S04.01.MaxMinValues.
                    PTP01.pg_with_problemSeed=722
        OS/Version: Windows
            Status: NEW
          Severity: critical
          Priority: P5
         Component: Library (OPL)
        AssignedTo: gjennings at csudh.edu
        ReportedBy: dyuster at sunymaritime.edu
        Web browser ---
           version:


If the student has a function like f(x)=x^3-7, the only critical number is 0.
However, 0 is marked Incorrect, and the Correct answer is 0, 0. The repeated
root in the derivative leads to the error.

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