1. Lesson 6

1.3. Explore 2

Mathematics 30-2 Module 7

Module 7: Exponents and Logarithms

 

Just as with the other operations, you need to take the logarithm of an entire side of the equation when it is used. So, when given the equation 500 = 3(6)x, review the following table for correct use:

Incorrect Use of Logarithms Correct Use of Logarithms

Also, when using the power law of logarithms, the logarithm must be of just the power. Continuing the example, consider the following table:

Incorrect Use of Power Law of Logarithms Correct Use of Power Law of Logarithms


textbook

Read “Example 3” on pages 451 to 453 of your textbook. Notice that when logarithms are used, they are used on the entirety of both sides of the equation.

 

 

Self-Check 2
  1. Complete “Your Turn” at the top of page 453 of your textbook. Answer
  2. Complete questions 2.a., 2.c., 6.b., 6.c., and 8 on pages 455 to 457 of your textbook. Answer