Which of the following is an irrational number?
A
64−−√

B
90−−√

C
25−−√

D
169−−−√
please help

Which of the following is an irrational number A 64 B 90 C 25 D 169 please help class=

Respuesta :

Answer:

sqrt(90) is irrational

Step-by-step explanation:

sqrt(64) = 8

sqrt(90) = 3 sqrt(10)

sqrt(25) =5

sqrt(169)=13

The only one that is not simplified to an integer is sqrt(90)

sqrt(90) is irrational