Wednesday

October 1, 2014

October 1, 2014

Posted by **Julia** on Sunday, April 7, 2013 at 10:17pm.

I need help with determining the value of each of the following logarithmic expressions. Do not change the bases- thx

a) log[base8]4

b)log[base(1/3)]27

- adv functions -
**Reiny**, Sunday, April 7, 2013 at 11:11pmlet x = log

_{8}4

then 8^x = 4

(2^3)^x = 2^2

2^(3x) = 2^2

then 3x = 2

x = 2/3

do the 2nd one the same way, noting that

1/3 = 3^-1 and 27 = 3^3

**Answer this Question**

**Related Questions**

algebra homework - please check my answers. Solve the logarithmic equation. Be ...

math - Determine the value of each of the following logarithmic expressions. Do ...

precalc help - Find the exact value without a calc 1. log base 3 of 8 times log ...

Advanced Functions/ Precalculus Log - 1. Evaluate 4^(log base4 64) + 10^(log100...

math(Please help) - 1) use the properties of logarithms to simplify the ...

Math - So I have a question regarding advanced functions, logarithm stuff. here ...

Math Help Please - Which of the following expressions is equal to log (x sqrt-y...

math - Logarithm!!! Select all of the following that are true statements: (a) ...

Algebra 2 - -Explain the difference between log base b (mn) and ( log base b of ...

Maths(logarithmic functions) - solve it: a) 3 log x with base 8 + 2 = 0 b)2 log...