Which of these numbers is an irrational number?(1 point)

Question

Responses

81−−√
square root of 81

36−−√
square root of 36

49−−√
square root of 49

28−−√

Answer 1

28−−√ is not an irrational number. The square root of 28 is a decimal that continues indefinitely without repeating, making it an irrational number.