Find the value of x + y + z
Source:
January 18, 2009
Problem Statement
If ,, and are real numbers such that (x \minus{} 3)^2 \plus{} (y \minus{} 4)^2 \plus{} (z \minus{} 5)^2 \equal{} 0, then x \plus{} y \plus{} z \equal{} (A)\ \minus{}12\qquad
(B)\ 0\qquad
(C)\ 8\qquad
(D)\ 12\qquad
(E)\ 50