document.write( "Question 127871: Please help me solve this problem: For what values of x is √(1-x) a real number? \n" ); document.write( "
Algebra.Com's Answer #93728 by scott8148(6628)\"\" \"About 
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\r
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\n" ); document.write( "\n" ); document.write( "1-x>=0 __ 1>=x
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