
Intro to Logarithms (article) - Khan Academy
For example the result for 2 x = 5 can be given as a logarithm, x = log 2 (5) . You will learn how to evaluate this logarithmic expression over the following lessons.
Evaluate logarithms (practice) - Khan Academy
Evaluate basic logarithmic expressions by using the fact that a^x=b is equivalent to log_a (b)=x.
Intro to logarithm properties (article) | Khan Academy
Mar 3, 2016 · Learn about the properties of logarithms and how to use them to rewrite logarithmic expressions. For example, expand log₂ (3a).
Logarithms | Algebra 2 | Math | Khan Academy
Learn about logarithms, properties, and solving equations with Khan Academy's free Algebra 2 course.
Intro to logarithms (video) - Khan Academy
Sal explains what logarithms are and gives a few examples of finding logarithms.
Logarithm change of base rule intro (article) | Khan Academy
You can change the base of your logarithm to any base using the change of base rule. "ln" (log base e) and "log" (log base 10) are the most common bases used because most scientific …
Graphing logarithmic functions (example 1) - Khan Academy
Well we've seen in multiple examples that when you replace x with an x plus three that will shift your entire graph three to the left. So this shifts, shifts three to the left. If it was an x minus …
Inequalities word problems (video) | Khan Academy
Inequalities are a handy tool for comparing values. For example, if Eric is shorter than Priti who is 158 cm tall, we write E < 158. If Sydney wears skirts when it's warmer than 25 degrees, we …
Intro to logarithm properties (1 of 2) (video) | Khan Academy
For example, the Richter scale uses logarithms to quantify the energy released by earthquakes, and the pH scale uses logarithms to measure the acidity of a solution.
Derivatives of aˣ and logₐx (practice) | Khan Academy
Find the derivatives of simple exponential functions. For example, differentiate f (x)=3⋅2ˣ.