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What are logarithms and why are they useful? Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red at the swimming pool this summer. Lesson by Steve Kelly, animation by TED-Ed.
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An introduction to logarithmsAbout Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We...
27 Μαΐ 2017 · This algebra 2 video tutorial provides a basic introduction of logarithms. It explains the process of evaluating logarithmic expressions without a calculator. Logarithmic - Free Formula Sheet...
View full lesson: http://ed.ted.com/lessons/steve-kelly-logarithms-explainedWhat are logarithms and why are they useful? Get the basics on these critical mat...
Evaluating Logarithms. Evaluating logarithms is one of the funnest things to do with logarithms. For example, if you have. log28, you can set it equal to x. log28 = x, then rewrite it in exponential form as. 2x = 8, then rewrite it as.
26 Μαρ 2016 · Logarithms are simply another way to write exponents. Exponential and logarithmic functions are inverses of each other. For solving and graphing logarithmic functions (logs), remember this inverse relationship and you'll be solving logs in no time!
In its simplest form, a logarithm answers the question: How many of one number multiply together to make another number? Example: How many 2 s multiply together to make 8? Answer: 2 × 2 × 2 = 8, so we had to multiply 3 of the 2 s to get 8. So the logarithm is 3. How to Write it. We write it like this: log2(8) = 3. So these two things are the same:
