Math Is Fun Forum

Spanky

Member

Registered: 2010-02-24

Posts: 62

Logarithms

I'm not sure how to solve this problem.  Log 8 (x) = -2/3

I got 8^-2/3=x but i cant remember how to solve for X

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: Logarithms

Hi Spanky;

We are still not finished over here. Please go there so the problem is done completely.

http://www.mathisfunforum.com/viewtopic … 66#p135566

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Spanky

Member

Registered: 2010-02-24

Posts: 62

Re: Logarithms

Thanks bobby i get it now. I'll post what i got for the last one that you were helping me with, not sure that its right though..

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: Logarithms

Your welcome!

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.