Question

Which irrational number is between 14−−√
and 18−−√
?(1 point)
Responses

19−−√

start root 19 end root

15−−√

start root 15 end root

10−−√

start root 10 end root

13−−√

Answer 1

√15

Reason: the square-root function is increasing, and 14 < 15 < 18, so √14 < √15 < √18.