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Mathematics 7 Online
OpenStudy (anonymous):

How do you simplify this radical?

OpenStudy (anonymous):

\[\sqrt{125}\]

OpenStudy (anonymous):

$$\sqrt{125}=\sqrt{5^3}=5\sqrt{5}$$

OpenStudy (anonymous):

Why is there a five here before the radical?\[5\sqrt{5}\]

OpenStudy (anonymous):

do you know how to draw factor trees?

OpenStudy (anonymous):

yes i do

OpenStudy (anonymous):

cool then try that

OpenStudy (anonymous):

it works though it just takes time :P

OpenStudy (anonymous):

factor bushes?

OpenStudy (anonymous):

example 100 2 50 2 25 do you think can simplify this? ___________ / 2* 2 * 25

OpenStudy (anonymous):

Yeah 2*2*5*5

OpenStudy (anonymous):

simplify that more?

OpenStudy (anonymous):

\[2^{2}5^{2}\]

OpenStudy (anonymous):

remember ____ /x^2 = x

OpenStudy (anonymous):

great :)

OpenStudy (anonymous):

try it with your question

OpenStudy (anonymous):

i mean your other questions

OpenStudy (anonymous):

its just another way to solve the problem :P

OpenStudy (anonymous):

wait so i factored 125 and i got \[5^{3}\]

OpenStudy (anonymous):

thats correct its 5 "cubed"

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