[ww-bugs] Bug 4092: New: Correct answer is a formula, but any number is also accepted

[bugzilla-daemon at webwork.maa.org]

http://bugs.webwork.maa.org/show_bug.cgi?id=4092

           Summary: Correct answer is a formula, but any number is also
                    accepted
           Product: Problem Libraries
           Version: unspecified
          Platform: PC
               URL: /opt/webwork/courses/Math-2565-Spring2018/templates/Li
                    brary/Michigan/Chap11Sec4/Q37.pg_with_problemSeed=4199
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Library (OPL)
        AssignedTo: gjennings at csudh.edu
        ReportedBy: sean.fitzpatrick at uleth.ca
        Web browser Firefox
           version:
    Browser version 52
            number:


One of my students discovered that in this problem, they can get marked correct
by putting in any numerical answer, rather than the expression that is
expected.

If I enter a number, like 654687643548, or 32, or 1.5, it is marked correct.
If I then enter the correct expression, 5tan(5(ax+C)), this is also marked
correct, with the message "This answer is equivalent to the one you just
submitted".

Interestingly enough, if I enter two different numerical answers in succession,
both are marked correct, but I do not get the answer about them being
equivalent.

I couldn't figure out what part of the answer checker is allowing numerical
answers, although I notice that the context is set to 'Numeric'.

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