Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (anonymous):

i need help badly!!!

OpenStudy (anonymous):

\[2\log_{a} W-1/4 \log_{a}Z+7\log_{a}Y \]

OpenStudy (anonymous):

I have to write it as a single Logarithm

OpenStudy (jdoe0001):

rules 2, 1 and 3 listed there, would apply

OpenStudy (zzr0ck3r):

what he said ^^^^

OpenStudy (zzr0ck3r):

use rule 3 first on all 3 terms, then use rule 2 a few times

OpenStudy (anonymous):

@zzr0ck3r im stuck now because i did the rules and now i have \[\log_{a}W ^{2}/Z ^{1/4}+\log_{a}Y ^{7} \]

OpenStudy (anonymous):

@jdoe0001 ^^

OpenStudy (anonymous):

Is this \[\frac{ \log _{a}W ^{2} }{ Z ^{1/4}+\log _{a}Y ^{7} }\] or \[\frac{ \log _{a}W ^{2} }{ Z ^{1/4} }+\log _{a}Y ^{7}?\]

OpenStudy (anonymous):

the second one but z^1/4 is only being divided into w^2

OpenStudy (anonymous):

@Dscdago

OpenStudy (imstuck):

Wow...not to mess up the already messed up, but I got something here...\[\log _{a}\frac{ W ^{2}Y ^{7} }{ Z ^{\frac{ 1 }{ 4 }} }\]

OpenStudy (anonymous):

i was just doing what people told me to do. @IMStuck

OpenStudy (zzr0ck3r):

\(2\log_{a} W-1/4 \log_{a}Z+7\log_{a}Y\\\log_a(W^2)-\log_a(Z^{\frac{1}{4}})+\log_a(Y^7)\\\log_a(\frac{W^2}{Z^{\frac{1}{4}}})+\log_a(Y^7)\\\log_a(\frac{W^2}{z^{\frac{1}{4}}}Y^7)\)

OpenStudy (imstuck):

I get it. These stink. They are so confusing. When you have one log subtracted from another, the one that is being subtracted goes under the first as a fraction. Hence the reason I put log base a of Z to the 1/4 under the log base a of W^2. Now the W is squared because in its original form it is W^2, then the 2 comes down in front like you have it in your unsimplified version. \[\log _{a}W ^{2}=2\log _{a}W\]See that?

OpenStudy (zzr0ck3r):

all you need is the one more step using the fact that \(\log_a(x)+\log_a(y)=\log_a(xy)\)

OpenStudy (imstuck):

zzrOck3r the y^7 is up on top of the fraction with the W^2.

OpenStudy (anonymous):

it doesn't really matter if the Y is up top or on the side because it means the same thing.

OpenStudy (zzr0ck3r):

correct

OpenStudy (imstuck):

Yes it does mean the same thing but it doesn't look as organized in "normal" ways of simplfying these dumb things.

OpenStudy (zzr0ck3r):

\(a*\frac{b}{c}=\frac{ab}{c}\)

OpenStudy (zzr0ck3r):

so we can write the final answer as \(\log_a(\frac{W^2Y^7}{Z^{\frac{1}{4}}})\)

OpenStudy (zzr0ck3r):

or even \(\log_a(W^2Y^7Z^{-\frac{1}{4}})\)

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!