SOLUTION: Hello, I have a problem that asks the following: find {{{ log(a, (x^2) (z^3)/ (sqrt (y))) }}} where {{{ log(a,x)}}}=2, {{{log(a, y)}}}=6, and {{{log(a,z)}}}=-2 I know th

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Question 461926: Hello,
I have a problem that asks the following:
find
where =2, =6, and =-2
I know the answer is -5; how to get there is beyond me. A little help would be amazing!
Thanks,
Jessica

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
find loga[(x^2) (z^3)/ (sqrt (y)))
---
= loga(x^2) + loga(z^3) - loga(sqrt(y))
---
= 2loga(x) + 3loga(z) - (1/2)loga(y)
---

where loga(x)=2, loga(y)=6, and loga(z)=-2
----
substitute to get:
---
= 2*2 + 3(-2) - (1/2)6
---
= 4 - 6 - 3
---
= -5
===========================
Cheers,
Stan H.
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