Question

PLEASE HELP!!

What is an example of a irrational number?

A. negative square root of 16
B. square root of 25
C. negative square root of 64
D. negative square root of 101

Answer 1

a) square root of 16 is 4. so a negative square root of 16 is -4: rational
b) square root of 25 is 5
c) square root of 64 is 8. so a negative square root of 64 is -8: rational
d) square root of 101 is ... not a rational number. this is the correct answer!