Misc
Expand
Simplify
Condense
Solve
100
Before calculators, how did people lookup the value of logarithms?
What are log tables?
100
log(xy)
What is log(x)+log(y)?
100

log1000

What is 3?

100
5logx+5logy
What is log(xy)5?
100
5x-4=25x-6
What is 8?
200
This invention made number crunching using log tables obsolete.
What are scientific calculators?
200
log(xzw)7
What is 7log(x)+7log(z)+7log(w)?
200
log3243
What is 5?
200
5log(x)+log(y)-log(z)
What is log(x5y/z)?
200
73x+4=492x+1
What is 2?
300
This is the constant used for continuously compounded interest.
What is the natural number, e?
300

log4(xy3)

What is log4x+3log4y

300
log927
What is 3/2?
300
6ln(x)+4ln(x)-7ln(x)
What is ln(x)3?
300
3ex-5=19

What is ln(8)?

400
This is the change of base formula for logbY
What is log(Y)/log(b) or ln(Y)/ln(b)?
400
log(xy/zw)
What is log(x)+log(y)-log(z)-log(w)?
400

log1/464

What is -3?

400
5ln(x)-6ln(y)-7ln(x)
What is ln(1/y6x2)?
400

log5(2x-7)=log5(3x-9)

What is no solution?

500
This person is responsible for our present-day notion of logarithms.
Who is Leonhard Euler?
500

log((4x)/y5)

What is log(x)+log4-5log(y)?

500
log1.60.625
What is -1?
500
(3/2)log(x4)+(2/3)log(y6)
What is log(x6y4)?
500
log2x+log2(x-2)=3
What is 4?
M
e
n
u