Question

Which expressions simplify to a rational answer?

Select each correct answer.

Responses

9√⋅16−−√

, root 9 times root 16

3√⋅2√
root 3 end root times root 2 end root

11−−√⋅5√
root 11 times root 5

52⋅−√2√
5 root 2 end root times root 2