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#2 Re: Help Me ! » Condense the logorithmic expression » 2012-12-05 06:42:40

YES, and although it wants to make sense, its is bouncing between my ears unclear when I try to apply. Ive been trying to short cut the process to come close to an answer.

#3 Re: Help Me ! » Solve the logorithmic equation » 2012-12-05 05:19:26

Thanks, especially bobbym, your process I followed helps a lot.

#4 Re: Help Me ! » Condense the logorithmic expression » 2012-12-05 05:05:13

Whew, I don't know. This is the upper limit of my ability and understanding. This is my final unit in my semester and this was a very bad unit for me. Thankfully my grades were high enough up to this point, but Im really hitting the wall on understanding the log, ln, all of that.

#5 Help Me ! » Solve the logorithmic equation » 2012-12-04 09:29:25

gbrad88
Replies: 40

Solve the logorithmic equation

log(8) x + log(8)   (x-63) = 2

The correct answer is listed as 64.

I'm trying to learn and understand the correct way of coming down to that answer with out using a calculator. Thanks.

#6 Help Me ! » Condense the logorithmic expression » 2012-12-04 09:24:17

gbrad88
Replies: 6

Condense the logorithmic expression as much as possible:

3 ln x -(1/3) ln y

The answer is  ln x^3 / 3(radical)y

Can a process be provided as to how one gets to the answer? I think I see what is happening, but could use clarification.

#8 Re: Help Me ! » Solve X with e » 2012-12-03 08:23:25

Well let me see again...

That then takes me to the next step of

x+3=e^6

#9 Re: Help Me ! » Solve X with e » 2012-12-03 07:40:15

Im sorry, the e concept has me very confused. I feel like Ive wasted a lot of time on these type of examples on my own.

#10 Re: Help Me ! » Solve X with e » 2012-12-03 07:28:17

I did it on a calculator first then tried on my own and became very confused.

#11 Help Me ! » Solve X with e » 2012-12-03 07:22:44

gbrad88
Replies: 8

Solve for x:

ln(x+3)=6

Can you explain to me how the answer is e^(6) -3

Thank you

#12 Re: Help Me ! » Solving for x » 2012-12-03 06:05:17

Maybe if I re-write it.

3^(x+7)=6

#13 Re: Help Me ! » Solving for x » 2012-12-03 05:12:01

That trick makes a lot of sense, but, what about when one number cannot be the same? Like the 6 below:

3^x+7=6

#14 Re: Help Me ! » Solving for x » 2012-12-03 02:23:03

I'm not sure. I think I don't understand.

#15 Re: Help Me ! » Solving for x » 2012-12-03 02:15:20

Sometimes I get x = -1/3 so Im not sure whats the right way to do it. :-(

#16 Help Me ! » Solving for x » 2012-12-03 00:55:15

gbrad88
Replies: 9

I am solving for X below:

4^(3x+5) = 1/256


The answer I get is -3 please correct me if I am wrong and why if you can please. Much appreciated.

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