Brian McLogan
Using the change of base formula to solve, log7 (2401) = x
👉 Learn how to solve logarithmic equations. Logarithmic equations are equations with logarithms in them. To solve a logarithmic equation, we first isolate the logarithm part of the equation. After we have isolated the logarithm part of...
Brian McLogan
Solving an exponential equation by taking the log of both sides
👉 Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Brian McLogan
Master Evaluating Logarithmic Expressions using the Change of Base Formula
Welcome, ladies and gentlemen. So what I'd like to do is show you how to use the change of base formula to evaluate for a logarithm. Now, while many calculators allow you to kind of choose whatever base you like to, some calculators you...
Brian McLogan
How to rewrite a logarithm using the change of base formula, log9 (64)
👉 Learn how to evaluate logarithms using a change of base formula. The change of base formula states that when we have a log of a to the base of b, we can evaluate the logarithm by using a common base for both a and b as follows: log of...
Brian McLogan
Solving Exponential equations
👉 Learn how to solve exponential equations involving fractions. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we make the base of both sides of the equation to be...
Brian McLogan
Learning to solve an exponential equation by using your calculator
In this playlist you will learn how to solve exponential equations by using the one to one property as well as taking the log and natural log of both sides. 2ln (-x) + 7 = 14
Brian McLogan
Tutorial - Evaluating Logarithms Without a Calculator
👉 Learn how to evaluate logarithms with fractions. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n =...
Curated OER
How Do You Express a Logarithm in Terms of Common Logarithms?
Logarithms can be a little tricky and if you'd like to use a calculator you'll need to use a formula to change the given logarithm into base ten. This tutorial defines the formula, uses it to change a logarithm to base ten, then how to...
Khan Academy
Khan Academy: Algebra: Change of Base Formula
Demonstrates how to use the change of base formula to evaluate a given logarithm and proves the change of base formula. [7:32]
Khan Academy
Khan Academy: Algebra: Introduction to Logarithm Properties 2
Identifies two properties of logarithms: logarithm of a power and the change of base formula. Also completes one example problem of showing how to apply the properties. Practice problems available. [10:04]
Sophia Learning
Sophia: The Change of Base Property for Logarithms
The change of base property for logarithms is explained using detailed examples. Learners watch the video tutorial to learn about the concept.