Logarithms 12 - Solve equations with log x and ln x

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Taught by YourMathGal
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Part of video series
Meets NCTM Standards:
Lesson Description:

Solve equations containing common logs and natural logs, ln. .

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Questions answered by this video:
  • How do you solve equations with log x and ln x?
  • How do you solve for x in log x = 2.3?
  • How do you solve log 2x = 1.7?
  • How do you solve ln x = 1.8?
  • How do you solve ln 3x = -1.4?
  • How do you solve log (2x - 3) = 1.5?
  • How can you check your solution to a logarithmic equation?
  • Staff Review

    • Currently 4.0/5 Stars.
    You can use the properties of logarithms and a calculator to solve a logarithmic equation. In this video, you will learn how to find the exact solution as well as an approximate solution rounded to 4 decimal places using a calculator. All steps and key sequences are shown for the example problems.