Question

Identify the number as rational or irrational. Explain -√127

Answer 1

Solve:-

-√127 = ?
-√127 = -11.2694276695846449

The answer to this is irrational because this number goes on and on forever and it can not be expressed as a ratio, so your answer is irrational.

Hope I helped ya!! xD

Answer 2

Its irrational because the square root of 127 is a decimal that goes on and on and cannot be represented as a fraction. So it is irrational. 
Hope this helps.