Logarithm Jeopardy

History

100

The person who first discovered logarithms.

Who is John Napier?

200

This made number crunching using logarithms obsolete.

What is cheap pocket calculators?

300

This is when people stopped using logarithms and calculators became common.

What is the 1960's?

400

Name an application for logarithms.

What is (musical intervals, pH, forensic accounting, fractals, radioactive decay, etc.)

500

This person is responsible for our present-day notion of logarithms.

Who is Leonhard Euler?

Expand

100

log(xy)

What is log(x)+log(y)?

200

log(xzw)⁷

What is 7log(x)+7log(z)+7log(w)?

300

log₄xy³

What is log₄x+3log₄y

400

log(xy/zw)

What is log(x)+log(y)-log(z)-log(w)?

500

log(x³4/y⁵)

What is 3log(x)+2log2-5log(y)?

Simplify

100

log₁₀0.000001

What is -6?

200

log₃243

What is 5?

300

log₉27

What is 3/2?

400

log_0.2564

What is -3?

500

log_1.60.625

What is -1?

Contract/Condense

100

5logx+5logy

What is log(xy)^5?

200

5log(x)+log(y)-log(z)

What is log(x⁵y/z)?

300

6log(x)+4log(x)-7log(x)

What is log(x)^3?

400

5log(x)-6log(y)-7log(x)

What is log(1/y⁶x^2)?

500

3/2log(x⁴)+2/3log(y⁶)

What is log(x⁶y⁴)?

Solve

100

5^x-4=25^x-6

What is 8?

200

7^3x+4=49^2x+1

What is 2?

300

4^2x-5=64^3x

What is -5/7?

400

log₅(2x-7)=log₅(3x-9)

What is no solution?

500

log₂x+log₂(x-2)=3

What is 4?