Khan Academy
Learn algebra with Khan Academy's interactive lessons and practice problems.
Khan Academy
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Khan Academy
Learn how to solve any exponential equation of the form a⋅b^(cx)=d. For example, solve 6⋅10^(2x)=48.
Khan Academy
Study the proofs of the logarithm properties: the product rule, the quotient rule, and the power rule.
Logarithms - Khan Academy
Frequently asked questions about logarithms If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Logarithm change of base rule intro (article) | Khan Academy
Learn how to rewrite any logarithm using logarithms with a different base. This is very useful for finding logarithms in the calculator!
Using the logarithmic power rule - Khan Academy
If we wanted to write the same truth as a logarithmic equation, we would say logarithm base a of c is equal to b. To what power do I have to raise a to get c? I raise it to the bth power. a to the b power is equal to c. Fair enough.
Evaluating natural logarithm with calculator (video) | Khan Academy
Sal evaluates log_e(67) (which is more commonly written as ln(67) ) using a calculator.
Khan Academy
This video introduces logarithm properties and explains how to use them in solving equations.
Unit 2: Solving equations & inequalities - Math | Khan Academy
Let's explore some different ways to solve equations and inequalities. We'll also see what it takes for an equation to have no solution, or infinite solutions. Unit guides are here!
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