Question

rationalize then simplify the answer:
4(square root of 5) / 3

Answer 1

Multiply the top and bottom by \[4\sqrt{5}\]

Answer 2

\[\frac{4\sqrt{5}}{3}\] is already rationalized

Answer 3

didnt say if you wanted the numerator or denomiator rationalized

Answer 4

numerator

Answer 5

exactly then multiply top and bottome by 4sqrt5

Answer 6

then I would get 80/12sqrt5

Answer 7

should get :\[(80)/12\sqrt{5}\]

Answer 8

ok
thx

Answer 9

oooh got it. you can get away with just multiplying by
\[\frac{\sqrt{5}}{\sqrt{5}}\] though right?