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Logarithms in General
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100
If x=1, what is y in the equation x=log(y)?
10
100
What is log(1/100)?
-2
100
What is the base used for common logarithms?
10
100
x=log(y) x=3. What does y equal?
1,000
200
What is log(10,000,000)?
7
200
What is log(-100)?
Impossible
200
What is the formula for common logarithms?
y=log10x if and only if 10^y=x
200
Bonus! Double Points- (log(10,000))^3
64
300
What is log(1,000,000)/log(1,000)?
2
300
If the equation is x=5*log(y), what is y when x=40?
100,000,000
300
Is a logarithm function? How about its inverse?
Yes and Yes.
300
True or false: log(5) can be classified as a common logarithm.
False
400
What is 2^log(100,000)?
32
400
log(100)*1/2
1
400
Who first discovered logarithms?
Michael Stifel
400
log(.1)
-1
500
What is 5*log(10,000)?
20
500
What is -100*log(100)
-200
500
How are logarithms related to the equation 10^y=x?
This must be true for common logarithms to work.
500
log(cuberoot(10))
1/3