Evaluating Logarithms
(No Calculators)
(No Calculators)
Using Properties of Logs to Condense to a single term
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100
log416
2
100
This can be written as a single logarithm:
logA - (logB + logC)
log(A/(BC))
100
2logx = 0
x = 1
100
5x-4=25x-6
x = 8
100
What color is Sonic the Hedgehog?
Blue
200
log1,000
3
200
This can be written as a single logarithm:
log3x + log3(4x - 3)
log3(4x2 - 3x)
200
log9(2x - 3) = 3/2
x =15
200
73x+4=492x+1
x = 2
200
What country are you visiting if you are in the Taj Mahal?
India
300
log497
1/2
300
This can be written as a single logarithm:
log7x + 2log7x + 3log7x
log7x6
300
logx + log5 = 2
x = 20
300
42x-5=643x
x = -5/7
300
What does a camel store in its hump?
Fat
400
lne
1
400
This can be written as a single logarithm:
2logA + 3logB - 4logC
log((A^2B^3)/C^4)
400
logx25 = -2
x = 1/5
400
Solve to the nearest tenth:
ln5x=3
x = 4.0
400
The line "To be or not to be" comes from which Shakespeare play?
Hamlet
500
log4(1/64)
-3
500
This can be written as a single logarithm
500
Solve to the nearest tenth:
4x-3 = 41
x = 5.7
500
log2x+log2(x-2)=3
x = 4
500
In the alphabet song, how many letters are between D and V?
17