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Algebra: Logarithm

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Question 78: Simplify log 1/64
4
Click here to see answer by ichudov(404)

Question 82: Given that log b (xy^3)=m and log b (x^3y^2)=p, find log b ([square root]xy) in terms of m and p.
Click here to see answer by AnlytcPhil(958)

Question 209: When solving the equation e to the power of x = -2 can we write x = ln(-2) ?
Click here to see answer by ichudov(404)

Question 212: What is a logarithm of a negative number?
Click here to see answer by ichudov(404)

Question 282: Expand as much as possible log(10,000x).
Click here to see answer by AnlytcPhil(958)

Question 332: Solve for x:
Click here to see answer by ichudov(404)

Question 648: Hi this is a logarithm question I have taken the question this far. Can you please complete it and show all working.
(x + 1)cubed = 27

thanks
Click here to see answer by janinecb(25)

Question 647: I would like all work shown please.
2log(base of 2)1024 = 3x + 1
Click here to see answer by janinecb(25)

Question 1087: Problem: 2logx = 2 solve for x
Click here to see answer by AnlytcPhil(958)

Question 1086: Problem: 2logx = 2 solve for x
Click here to see answer by afilatei(2)

Question 1140: I need to find the value of v in the following log.
v=log(base 2)(1/4)
If I do as the law says, I come up with -2. But the book is showing 22. Am I doing this wrong or is the books answer wrong.
Click here to see answer by khwang(438)

Question 1154: What is the single logarithm of ln 5 +2ln x-3ln(x2+1)?
What is the single logarithm of 2log5x+3log5y-4log5z
Click here to see answer by khwang(438)

Question 1131: HOw do I solve log16 2=w
Click here to see answer by khwang(438)

Question 1241: Solve 5^3x= 3^(x+4) for x.
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Question 1239: Solve ln(3x+8)=ln(2x+2)+ln(x-2) for x
Please help me
Click here to see answer by khwang(438)

Question 1435: What is x^2 = 2^x.
Click here to see answer by khwang(438)

Question 1706: f(x)=2+log3^x
Click here to see answer by longjonsilver(2297)

Question 1707: y=-ln(x+2)
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Question 1689: log2log3+1/2log81=?
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Question 1859: write as a single logarithm
51logx-2logx
1/3log3x+1/4logx
log1-log18

Click here to see answer by longjonsilver(2297)

Question 1899: logx=5+6
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Question 1957: what is the answer for log2 to the 1 power

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Question 1970: I have to write the following in terms of In(x+2) and In(x+4) : In [(x+2)square root of x+4]
Click here to see answer by longjonsilver(2297)

Question 1971: Solve for x e^(2In(2x)) = 4
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Question 1973: Find x: logx(4x-3)=2 (i got X=1.25? I can't get my head around these)
Click here to see answer by longjonsilver(2297)

Question 1975: (logx) (4x - 3) =2
Click here to see answer by longjonsilver(2297)

Question 1978: If p=3^(20-q) using logarithms express q in terms of p
Click here to see answer by longjonsilver(2297)

Question 2061: What is the 6th term of the geometric sequence in which a1=5 and r=3? Please help and explain the step(s) on how to do it. Also, how do you find the nth term a1=3, d=2 and n=7? thank you
Click here to see answer by khwang(438)

Question 2023: Write the expression in a single/simplified logarithm.
log9 49 - log9 7 + log9 5
2log8 6 - log8 4
4log8 3 - 2log8 2
log2 225 - log2 5 + log2 3
5log37 37^9
Simplify.
log53 53^9
5log41 41^9
9log9 9^5
Thank you!
Click here to see answer by khwang(438)

Question 2106: 2^(2x)- 2^(x)- 6 = 0
Click here to see answer by khwang(438)

Question 2124: if log2=.85, log5=.95 and log7=1.25 find the value of this:
log √35
Click here to see answer by sehar(13)

Question 2131: Please help!
Solve this exponential equation for x: 5^4x=6=25
Solve this exponential equation for x:2^3x+4+ 1/4

Click here to see answer by sehar(13)

Question 2172: please please please what is
logx81=4
Click here to see answer by vms(2)

Question 2172: please please please what is
logx81=4
Click here to see answer by khwang(438)

Question 2114: 3^(2x) - 5(3^x)+ 4 = 0
(the middle term is 5 times 3 to the x)
thanks!
Click here to see answer by vms(2)

Question 2254: Log (x+1)-Log (x+2)=Log (x+7)-Log (x+8)

help!, What is x.

Click here to see answer by longjonsilver(2297)

Question 2287: If log5 6=1.1133 and log5 2=0.4307, what is the value of log5 12?
Click here to see answer by longjonsilver(2297)

Question 2290: The volume (V) of a box varies jointly as the length (l), width (w), and height (h). Find h if V=512m^3, l=8m, and w=4m.
Click here to see answer by gsmani_iyer(161)

Question 2281: what is log10 0.001= -3, in exponential form?
Click here to see answer by usyim88hk(157)

Question 2361: log7^4x + log7^(x+1) = ½log7^64
Click here to see answer by longjonsilver(2297)

Question 2403: x3-1
e = 1
Click here to see answer by longjonsilver(2297)

Question 2441: (10pow 11) > (11 pow 10) and (20 pow 21) > (21 pow 20)
is this correct?show the solution immediately.
Click here to see answer by longjonsilver(2297)

Question 2570: log of 9 to the base square root of x - log of 3 to the base x = 9 + 6 log of x to the base square root of 3
Click here to see answer by kiru_khandelwal(79)

Question 2601: what does * mean?
Click here to see answer by longjonsilver(2297)

Question 2601: what does * mean?
Click here to see answer by kiru_khandelwal(79)

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