Algebra Tutorials!
Solving Quadratic Equations by Completing the Square
Graphing Logarithmic Functions
Division Property of Exponents
Adding and Subtracting Rational Expressions With Like Denominators
Rationalizing the Denominator
Multiplying Special Polynomials
Solving Linear Systems of Equations by Elimination
Solving Systems of Equation by Substitution and Elimination
Polynomial Equations
Solving Linear Systems of Equations by Graphing
Quadratic Functions
Solving Proportions
Parallel and Perpendicular Lines
Simplifying Square Roots
Simplifying Fractions
Adding and Subtracting Fractions
Adding and Subtracting Fractions
Solving Linear Equations
Inequalities in one Variable
Recognizing Polynomial Equations from their Graphs
Scientific Notation
Factoring a Sum or Difference of Two Cubes
Solving Nonlinear Equations by Substitution
Solving Systems of Linear Inequalities
Arithmetics with Decimals
Finding the Equation of an Inverse Function
Plotting Points in the Coordinate Plane
The Product of the Roots of a Quadratic
Solving Quadratic Equations by Completing the Square
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Graphing Logarithmic Functions

We can graph a logarithmic function by using the fact that the inverse of a logarithmic function is an exponential function.

Here’s the procedure to graph a logarithmic function.


Procedure — To Graph a Logarithmic Function

Step 1 Rewrite y = logbx in exponential form, x = by.

Step 2 Switch x and y to get y = bx.

Step 3 Calculate ordered pairs.

Step 4 Exchange the x- and y-coordinates.

Step 5 Graph the new ordered pairs.



If you need to graph a function that is in the form y = logbx, first rewrite it in exponential form.


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