Try the Free Math Solver or Scroll down to Tutorials!

 

 

 

 

 

 

 

 
 
 
 
 
 
 
 
 

 

 

 
 
 
 
 
 
 
 
 

Please use this form if you would like
to have this math solver on your website,
free of charge.


Exponential and Logarithmic Equations

Solving Exponential Equations

Example 1: Solve 3x=20. Round your answer to four decimal places.

Example 2: Solve for x to four decimal places.

Example 3: A certain amount of money P (principal) is invested at an annual rate r compounded annually. The amount of money A in the account after t years, assuming no withdrawals, is given by

How many years to the nearest year will take the money to double if it is invested at 6% compounded annually?

Example 4: The atmospheric pressure P, in pounds per square inch, at x miles above sea level is given approximately by

At what height will the atmospheric pressure be half the sea-level pressure? Compute the answer to two significant digits.

Solving Logarithmic Equations

Example 6: Solve

Example 7: Solve and check.

*Note:

Example: Solve:

Example: Solve:

Example: Solve: