|| Logarithmic equations ||

Solving a logarithmic equation

Exercises

For each question, click on the box corresponding to your answer, and then click on the 'Submit Answer' button.

1- Express the following as a single logarithm:
log 6 - log 3 + log 2
log 5 log 4 Neither of the answers is correct.
     


2- Express the following as a single logarithm:
2 X log 4 - 2 X log 2
log 4 log 2 I need help.
     


3- Using a calculator, evaluate the following expression:
x =
0.3010 2 Neither of the answers is correct.
     


4- Using a calculator, evaluate the following expression:
2.7772 3.8596 1.8520
     


5- Using a calculator, evaluate the following expression:
1.5492 4.54 Neither of the answers is correct.
     


6- Using the properties of logarithms, solve:
3x = log3 81
x = 4/3 x = 4 Neither of the answers is correct.
     


7- Using the properties of logarithms, solve:
5x - 3 = log 100
x = -1/5 x = 1 I need help.
     


8- Using the properties of logarithms and a calculator, solve:
32x-4 = 15
x = 4.5 x = 3.2325 Neither of the answers is correct.
     


9- Using the properties of logarithms and a calculator, solve:
54x = 7 X 4x
0.3852 8.7201 I need help.
     


10- Using the properties of logarithms and a calculator, solve:
32x-1 = 6x+1
0.0002 7.1285 Neither of the answers is correct.
          

 

|| Logarithmic equations ||