Ch 12: TExES Math 4-8: Exponentials & Logarithms

About This Chapter

Use our one-of-a-kind chapter resources, including video lessons and self-check quizzes, to refresh the crucial skills you need to master in order to pass the TExES certification exam for Math levels 4-8. Use these lessons to ensure you possess the necessary level of comprehension and competency with exponentials and logarithms you need to pass the test.

TExES Math 4-8: Exponentials & Logarithms - Chapter Summary

These lessons can help you refresh the basics of exponentials and logarithms as part of your study process for the TExES Math 4-8 exam. Topics covered include exponential growth and decay, evaluating logarithms and more. The videos and their text transcripts are designed to help you achieve these goals:

  • Define an exponential function
  • Compare exponential growth and exponential decay in function form
  • Outline what a logarithm is
  • Evaluate logarithms and identify logarithmic properties
  • Solve exponential and logarithmic equations

Our knowledgeable instructors guide you through each topic in preparation for the test. Jump to specific video sections with the timeline tags and use the text transcripts to for an alternative review. If you have any questions about these subjects, feel free to contact an expert through the Dashboard.

7 Lessons in Chapter 12: TExES Math 4-8: Exponentials & Logarithms
Test your knowledge with a 30-question chapter practice test
What Is an Exponential Function?

1. What Is an Exponential Function?

Brand new technologies don't always catch on right away because they can be expensive and don't always work as well as they should. But once the price comes down, and they start to work better, it doesn't take very long before it seems like everyone has one. Learn about the numbers behind this, exponential functions!

Exponential Growth vs. Decay

2. Exponential Growth vs. Decay

How is it that it only takes four years for our computer to go from top-of-the-line to almost worthless? Well, it has something to do with what's called exponential decay, which we'll learn about here!

What is a Logarithm?

3. What is a Logarithm?

Logarithms can help you solve exponential functions. In this lesson, you will learn about how to work with and recognize logarithms, and how to use logarithm notation with an example problem about earthquakes!

How to Evaluate Logarithms

4. How to Evaluate Logarithms

Using this lesson, you can get practice evaluating logarithms, as well as learn some of the shortcuts behind writing and estimating them. You can also learn how to use your calculator to evaluate logarithms, and learn about a concept called the change of base theory.

Logarithmic Properties

5. Logarithmic Properties

Along with the change of base property, there are three other logarithmic properties that allow you to manipulate expressions to your advantage. Learn about the product rule, quotient rule and power rule here.

How to Solve Exponential Equations

6. How to Solve Exponential Equations

Read this lesson to learn the steps you need to take to solve exponential equations. You'll see that it's not too difficult; you just need to make use of one other mathematical operation in order to solve your problems.

How to Solve Logarithmic Equations

7. How to Solve Logarithmic Equations

If you're ever picking out a telescope to see your favorite planet, make sure you do the math first! Learn how to solve the logarithmic equation that will get you the size telescope you want.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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Other Chapters

Other chapters within the TExES Mathematics 4-8 Exam (115): Study Guide & Review course