Question

Select all of the irrational numbers.

$\sqrt{1/4}$
$\sqrt{2/4}$
$\sqrt{3/4}$
$\sqrt{4/4}$
$\sqrt{5/4}$

Answer 1

all of the above besides: square root of 4/4

Answer 2

They are irrational if you can't get an even answer

 \sqrt{1/4}   = rational because its 1/2

\sqrt{2/4}   = irrational

\sqrt{3/4}  = irrational

\sqrt{4/4}   = rational because its 2/2 = 1

\sqrt{5/4} = irrational