SOLUTION: Determine whether the following is rational or irrational: 4-sqrt16 Thank you!

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Question 106269: Determine whether the following is rational or irrational:
4-sqrt16
Thank you!
Found 2 solutions by stanbon, tutorcecilia:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Determine whether the following is rational or irrational:
4-sqrt16
=4 - 4
=0
-----------
The number is rational.
Cheers,
Stan H.

Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
%284-sqrt%2816%29%29
4-4=0
Zero is a rational number because it can be written as a ratio of two numbers:
0/1 (but never 1/0).