3 18 is rational or irrational July 8, 2019 16 32 64 128 3 √ 18 is rational or irrational 3 root 18 is rational or irrational with justification 3 √ 18 is rational or irrational justify your answer 3 root 18 is rational or irrational number 3 under root 18 is a rational or irrational number