Monday

March 30, 2015

March 30, 2015

Posted by **Lea** on Monday, January 30, 2012 at 11:39pm.

2. Solve Log[8](log[8]x)=0

- Precalculus -
**Reiny**, Tuesday, January 31, 2012 at 12:43amlet 5^x = y , then we have

y^2 - 4y - 12 = 0

(y-6)(x+2) = 0

y = 6 or y = -2

5^x = 6

xlog5 = log6

x = log6/log5 = appr. 1.1133

or

5^x = -2

xlog5 = log (-2), but we cannot take logs of negatives, so no solution for that case

x = log6/log5 or 1.1133

**Answer this Question**

**Related Questions**

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

PreCalculus - Hi i don't know how to do this problem solve for n^3 given that ...

Precalculus - Explain how to do these please. 1. solve x=log(base2)*1/8 by ...

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

Math - h(x) = log (6x+5/7x-4) Find a formula for the inverse function h^-1(x) h...

math - solve for x without using a calculator 5^(x+1) = 25 i know that x would ...

TRig WIth LoGs help1!! - i have problem i can't solve and the book is no help.. ...

Precalculus - What am I doing wrong? I keep getting 48 and its wrong... Solve ...

Math - solve log(7x-3)+2log(5)=2+log(x+3) I've attempted to do this question ...

Math - Help with these problems would be greatly appreciated: 1.Find the ...