Algebra
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What Are Exponential Equations?
An exponential equation is an equation where is in the exponent. To get down from the exponent, you have to use logarithms. You are free to use either or .
When working with exponential and logarithmic equations it is important to remember the logarithmic and exponential rules! You solve these types of equations like this:
Rule
Exponential Equations
The same rules are in place for both and . You are most likely to use .
Do the logarithm on both sides to get down:
Divide by on both sides:
Note! The answer will be the same whether you use or !
Example 1
Solve the equation
Example 2
Solve the equation
Example 3
Solve the equation