Mathematics
8 Online
OpenStudy (anonymous):
sqrt2x^7sqrt6x
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OpenStudy (anonymous):
??
OpenStudy (anonymous):
make sure to add parentheses around anything that is in a root please. ;)
OpenStudy (anonymous):
o ok
OpenStudy (anonymous):
It's good that you are doing a bunch of these. You really need to learn the rules of powers and roots and everything is much easier.
OpenStudy (anonymous):
like....(2x)^7 is totally different than 2x^7
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OpenStudy (anonymous):
\[\sqrt{2x^7* \sqrt{6x}}\]
OpenStudy (anonymous):
I am a bit lost one what the Prob is?
OpenStudy (anonymous):
sorry...yes once I have it all under my belt, I'll be fine but I just can't seem to grasp the concepts right
OpenStudy (anonymous):
you'll get it if you stick with it... that s for sure.
OpenStudy (anonymous):
\[\sqrt{2x^7}* \sqrt{6x}\]
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OpenStudy (anonymous):
I'm hanging in there...just gets so frustrating! :(
OpenStudy (anonymous):
I know what your talking about lol
OpenStudy (anonymous):
u all are answering these like experts! wish I could get it back like that
OpenStudy (anonymous):
Ok... cool... in that case you can bring the roots together for multiplication.. so ....
2*6*x*x^7 can all go under one radical...
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
\[\sqrt{12x ^{8}}\]
OpenStudy (anonymous):
yea, like nancy typed...
OpenStudy (anonymous):
can this be simplified to 2x^4sqrt3?
OpenStudy (anonymous):
\[2x ^{4}\sqrt{3}\]
OpenStudy (anonymous):
there it is
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OpenStudy (anonymous):
YAAYYY!!! :)
OpenStudy (anonymous):
do you see how you can take "pairs" out in a sense?
OpenStudy (anonymous):
yes I can but I'm afraid, it gets much more difficult than this :(
OpenStudy (anonymous):
like.... root(2*2*2)... you can take a pair out as one... so it's 2root(2)
OpenStudy (anonymous):
yes i got that downpacked, I think lol
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OpenStudy (anonymous):
ok and that would be the sqrt 8 right?
OpenStudy (anonymous):
or cube rt?
OpenStudy (anonymous):
\[\sqrt[3]{270x}-\sqrt[3]{10x^4}\]