SOLUTION: Please help me solve this problem: For what values of x is √(1-x) a real number?

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Question 127871: Please help me solve this problem: For what values of x is √(1-x) a real number?
Answer by scott8148(5895) About Me  (Show Source):
You can put this solution on YOUR website!
for a square root to be real, the value that you are taking the root of must be greater than (or equal to) zero

1-x>=0 __ 1>=x