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irvine
Group Title
What is the solution of log 2x – 3^125 = 3 ? Please help im taking a test right now
 3 years ago
 3 years ago
irvine Group Title
What is the solution of log 2x – 3^125 = 3 ? Please help im taking a test right now
 3 years ago
 3 years ago

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jimmyrep Group TitleBest ResponseYou've already chosen the best response.0
is LHS = log of (2x  3^125) or just log of 2x?
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
hmm. i have no clue the question is exactly the way i posted it that's what confused me
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
I was just about to ask that
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
That is basically why i dont understand it
 3 years ago

gabrielbean Group TitleBest ResponseYou've already chosen the best response.0
iw ould say move the log2x to one side on its own then rearrange to remove the log then solve for x log2x=3+3^125 (assuming log is to base ten) 10^(3+3^125)=2x x=(10^(3+3^125))/2 i think...
 3 years ago

jimmyrep Group TitleBest ResponseYou've already chosen the best response.0
yes  thats right
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
thank you so much! :)
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
For some reason, I keep getting false for the answer
 3 years ago

gabrielbean Group TitleBest ResponseYou've already chosen the best response.0
so do i but that may be to do with the calculators memory
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
wolfram alpha's solution: http://www.wolframalpha.com/input/?i=log%282x%29%3D3%2B3^125%2C+x&a=*FunClash.log_*Log10.Log
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
i went to this website too and i got a completely different answer i guess it might be the way i typed the equation in
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
How did you type it in, and what website was that?
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
Ah, I think it's log base 2 of x
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
log 2x – 3^125 = 3 and the website was wolframalpha too
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
but the choices in the test are way different though
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
What are the answer choices?
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
x = 1 x = 4 x = 7/3 x = 1/3
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
That's bizarre. I've tried every possible way. It all comes out to the same answer
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
what answer did you get?
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
http://www.wolframalpha.com/input/?i=log2x3^125%3D3
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
Exact result gives one form, alternate form gives false
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
hmmm.. this thing is so complicated :( i think im going to give up
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
Yeah, you should just guess
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
that is what i am going to do
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
I know I guessed 7/3 what do you think?
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
okay that sounds better
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
Thanks for your help :)
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
What was the answer?
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
idk yet im on question 16 of the test and there is 4 more i will tell you once im done
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
they wont show me the correct answer but it was not 1/3
 3 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
It wasn't any of them. It was a bogus question
 3 years ago

irvine Group TitleBest ResponseYou've already chosen the best response.0
I know but it doesnt really matter anymore since i still have a good grade in the class I just hope that i dont get anymore questions like this one
 3 years ago
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