All High School Math Resources
Example Questions
Example Question #11 : Logarithms
Which of the following expressions is equivalent to ?
According to the rule for exponents of logarithms,. As a direct application of this,.
Example Question #11 : Logarithms
Simplify the expression below.
Based on the definition of exponents, .
Then, we use the following rule of logarithms:
Thus, .
Example Question #151 : Algebra Ii
Solve the equation.
Change 81 to so that both sides have the same base. Once you have the same base, apply log to both sides so that you can set the exponential expressions equal to each other (). Thus, .
Example Question #1 : Solving And Graphing Logarithmic Equations
Solve the equation.
Change the left side to and the right side to so that both sides have the same base. Apply log to both sides and then set the exponential expressions equal to each other (). .
Example Question #151 : Mathematical Relationships And Basic Graphs
Solve the equation.
Change the left side to and the right side to so that both sides have the same base. Apply log and then set the exponential expressions equal to each other (). Thus, .
Example Question #1 : Solving Logarithmic Equations
Solve the equation.
Change the left side to and the right side to so that both sides have the same base. Apply log and then set the exponential expressions equal to each other (). Thus,
Example Question #5 : Solving And Graphing Logarithmic Equations
Solve the equation.
Change the left side to and the right side to so that both sides have the same base. Apply log to both sides and then set the exponential expressions equal to each other (). Thus, .
Example Question #11 : Logarithms
Solve for .
can be simplified to since . This gives the equation:
Subtracting from both sides of the equation gives the value for .
Example Question #152 : Mathematical Relationships And Basic Graphs
Solve the equation.
First, change 25 to so that both sides have the same base. Once they have the same base, you can apply log to both sides so that you can set their exponents equal to each other, which yields .
Example Question #8 : Solving And Graphing Logarithmic Equations
Solve the equation.
Change 49 to so that both sides have the same base so that you can apply log. Then, you can set the exponential expressions equal to each other .
Thus,