Is $-sqrt36$ a rational or irrational number?

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Answer 1 · 2015-07-13T23:12:45

It's rational, and whole and integer.

$sqrt36$ may be written as $6$ , as $6^2=36$

So we get $-6$ , which is a whole number, and by definition rational (it may be written as $-6/1$ )

Is -sqrt36-sqrt36 a rational or irrational number?