SOLUTION: Determine whether each statement is sometimes, always, or never true. a. √(a2+b2) is a real number.

Question 127873: Determine whether each statement is sometimes, always, or never true.
a. √(a2+b2) is a real number.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Determine whether each statement is sometimes, always, or never true.
a. √(a2+b2) is a real number.
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a^2 is always >= zero
b^2 is always >= zero
--------
Therefore a^2+b^2 >=0
Therefore sqrt(a^2+b^2) is always a Real Number.
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Cheers,
Stan H.
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