Additive Inverses and Absolute Values

Key Questions

  • Additive Inverse Property

    For all element #a#, there is a unique element #-a# such that

    #a+(-a)=0#


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  • You can think of the absolute value sign as a negative sign eraser. It does not do anything to a nonnegative number but turns a negative number into the positive number having the same magnitude; for example, #|2|=2# and #|-3|=3#.


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Questions