Learn about the properties of logarithms that help us rewrite logarithmic expressions, and about the change of base rule that allows us to evaluate any logarithm we want using the calculator.

Logarithms are the inverses of exponents. They allow us to solve challenging exponential equations, and they are a good excuse to dive deeper into the relationship between a function …

Sal solves the equation log (x)+log (3)=2log (4)-log (2). Created by Sal Khan and Monterey Institute for Technology and Education.

I'm studying for a placement exam, and Sal's explanations of logarithms so far has been helpful. But how do we solve for algebraic equations with logarithms? Is there a video? Here is an …

The graph of y=log base 2 of x looks like a curve that increases at an ever-decreasing rate as x gets larger. It becomes very negative as x approaches 0 from the right. The graph of y=-log …

Sal explains what logarithms are and gives a few examples of finding logarithms.

Tanasha needs to solve the equation 3.6 = log 10 x . She calculates that the approximate solution is x ≈ 3,981 . Is Tanasha's solution reasonable?

Sal explains what logarithms are and gives a few examples of finding logarithms.

Mar 3, 2016 · What you will learn in this lesson Logarithms, like exponents, have many helpful properties that can be used to simplify logarithmic expressions and solve logarithmic …

Joseph and Clarissa tried to solve the following logarithmic equation and found different solutions.