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What is the solution to the equation log [2] x – log [2] 4 = 2 ?
 one year ago
 one year ago
What is the solution to the equation log [2] x – log [2] 4 = 2 ?
 one year ago
 one year ago

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gfields444Best ResponseYou've already chosen the best response.0
i got x=18 but I wanted another opinion
 one year ago

ShiBest ResponseYou've already chosen the best response.0
I dont think thats correct, what did your equation look like before your answer?
 one year ago

fall2012Best ResponseYou've already chosen the best response.2
dw:1346720360010:dw
 one year ago

fall2012Best ResponseYou've already chosen the best response.2
that is supposed to be a sixteen
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.0
\[\log_2 x  \log_2 4 =2\] \[\implies \log_2 (\frac x4) = 2\] change to expoenntial form \[\implies 2^2 = \frac x 4\] simplify... \[\implies 4 = \frac x4\] cross multiply \[\implies 4 \times 4 =x\] simplify.. \[\boxed{\implies 16 = x}\]
 one year ago

gfields444Best ResponseYou've already chosen the best response.0
Ohhh. Okay I see exactly what I did wrong. I really appreciate it..!
 one year ago
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