Question

MEDAL FOR THE BEST ANSWER

Which is an irrational number?

A. / -3 /

B. 0.6
____
C. V 0/9 (square root 0/9 )
______
D. V 5 /3 (square root 5/3 )

Answer 1

anything that you cant write as the ratio of two integers.

Answer 2

|-3| = 3 = 3/1 so nope
.6 = 6/10 so nope
sqrt(0/9) = 0 = 0/1 so nope
sqrt{5/3} = sqrt{5}\sqrt{3} ding ding ding

Answer 3

square root of a prime number is always irrational.

Answer 4

Thank you!!