<p>a^3x=3^2y
then what is the value of a ?</p>
<p>Obviously, you won’t be getting a numerical value as the answer, so this must be a M/C question. Mind putting up the choices please?</p>
<p>I might be terribly wrong but:</p>
<p>a^3x=3^2y
log a^3x=log 3^2y (by the law of logarithms)
3x<em>log a=2y</em>log 3
3x\2y=log 3\log a
3x\2y=log a (3)
a^(3x\2y)=3
a=3^(2y\3x)</p>
<p>oh wait but this is can be done also from here :
a^3x=3^2y / root 3x
a=3^(2y\3x)</p>
<p>Sorry I don’t know…</p>
<p>The SAT does not test logarithms soooo…is this a real SAT question or third-party?</p>
<p>this is a real sat question
the answers is : a) 2
b) 3
the answer is one of them but i dont knw it</p>
<p>there must be something you are not telling us; logarithms are not tested on the SAT, and none of your answers have variables…</p>
<p>You are so innocent. There are 3 variables, you need three equations to solve a set of equations with three variables unless it includes 0s or infinites. Check that question again and be clear that the source is OFFICIAL.</p>
<p>this question was in november 2010 SAT …so this is official and i am not innocent and this what the question says . and i am sure that the answer is either 3 or 2.</p>
<p>I plugged in numbers for x and y and then solved for A and got 3. No idea how you would begin to do it algebraically though.</p>