1. Lesson 6

1.2. Explore

Mathematics 30-2 Module 7

Module 7: Exponents and Logarithms

 

Explore

 

In Try This 1 you looked at a method for solving exponential equations using logarithms. Using the same conditions as in Try This 1, the time it takes for there to be 500 000 bacteria is determined by using the following equation. Notice when the power law of logarithms is used.

 

 



textbook

Read “Example 2” on pages 450 and 451 of your textbook if you would like to see another example of how an exponential equation can be solved using logarithms.

 

Self-Check 1

 

textbook

  1. Complete “Check Your Understanding” questions 1.a., 1.b., and 1.e. on page 455 of your textbook. Answer
  2. Complete Solving Exponential Equations 1.

     
    This is a play button that opens Solving Exponential Equations 1.