bewellplus.gsu.edu
michellewilliam michellewilliam
  • 01-06-2014
  • Mathematics
Answered

determine whether each expression is meaningful as  a real number  yes or no?   -√9

Verified Answer :

Anonymous Anonymous
  • 06-07-2014

\(Yes\ -\sqrt9\ is\ real\ number\\\\-\sqrt9=-3\ is\ integer\ number\\\\-\sqrt{a}\in\mathbb{R}\ for\ any\ a\geq0\)

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