Logs!
Exponential EQ's
Word Problems
Solving Exponential EQ's
Solving Log EQ's
Random Trivia
100

Simplify the expression: log28

What is 3?

100

Write the exponential equation 45= 1,024 in logarithmic form.

What is log4 1,024 = 5 ?

100

If there are initially 3000 bacteria in a culture, and the number of bacteria increase by 25% each hour, how many bacteria will there be in 5 hours? Round to the nearest whole number.

What is 9,155 bacteria?

100

Solve: 82x=8x+7

What is x=7?

100

Solve: log x = 3

What is 1000?

100

What is North Americas tallest land mammal? 

Moose

200

Write the equation log3729 = 6 in exponential form.

What is 36=729 ?

200

Write the exponential equation 271/3 = 3 in logarithmic form.

What is log27 3 = 1/3 ?

200

If there are initially 3000 bacteria in a culture, and the number of bacteria increase by 25% each hour, after how many hours will you reach approximately 5,850 bacteria?

What is 3 hours?

200
Solve: 25^(x-4)=5^3x+1)
What is x=-9 ?
200

log3 x = 5

What is x = 243 ?

200

What is the periodic symbol for Iron?

FE

300

Write the equation log 1000 = 3 in exponential form.

What is 103=1000 ?

300

Write the exponential equation (1/2)-3=8 in logarithmic form.

What is log 1/2 8 = -3

300

Use the formula R = log I , where R is the measurement of the Richter scale and I is the intensity, to find the Richter scale measurement of an earthquake with intensity 30,000,000. Round your answer to four decimal places.

What is 7.4771?

300

Solve: e2x=ex+4

What is x=4?

300

Solve: ln x = 4 Round your answer to two decimal places.

What is x= 54.60 ?

300

What is the name of the sitcom starring characters such as Dewight and Michael Scott?

The Office

400

What is the asymptote of the graph of f(x) = log(x - 1) ?

What is x=1 ?

400

Is the graph y= .7x increasing or decreasing, and is it a function?

What is decreasing and yes, a function?

400

Use the formula R = log I , where R is the measurement of the Richter scale and I is the intensity, to find the Richter scale measurement of an earthquake with intensity 35,000,000. Round your answer to four decimal places.

What is 7.5441 ?

400

Solve: 3e3-x= 15 Round your answer to two decimal places.

What is x= 1.39 ?

400

Solve: 3 ln x - 7 = 4 Round your answer to two decimal places.

What is x= 39.12 ?

400

What is the first line of the Gettysburg Address?

Four score and seven years ago.
500

What is the asymptote of the graph of f(x)= log(x + 2) -1 ?

What is x= -2 ?

500

Simplify ln e3x

What is 3x?

500

Use the formula R = log I , where R is the measurement of the Richter scale and I is the intensity, to find the intensity of an earthquake with a Richter scale of 7.567 Round your answer to four decimal places.

What is 36,897,759.8570?

500

Solve: 102x+1 + 2 = 4 Round your answer to two decimal places.

What is x = -0.35 ?

500

Solve: Hint: two answers

What is x=4 and x = -4 ?

500

What is the name of one of Mrs. Morrow's dogs?

Lucy or Cappuccino?

M
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