Ch 7: OUP Oxford IB Math Studies Chapter 7: Number & Algebra 2

About This Chapter

The Number and Algebra 2 chapter of this OUP Oxford IB Math Studies Companion Course helps students learn the essential lessons associated with number and algebra 2. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Number and Algebra 2 textbook chapter.

How It Works:

  • Identify the lessons in the OUP Oxford IB Number and Algebra 2 chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the number and algebra topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Chapter Topics

You'll learn all of the math topics covered in the textbook chapter, including:

  • Arithmetic sequences
  • The general and n terms of arithmetic sequences
  • Arithmetic series
  • Infinite geometric series
  • The general and n terms of geometric sequences
  • Currency transactions involving commission
  • Compound interest formulas

OUP Oxford IB is a registered trademark of the University of Oxford, which is not affiliated with Study.com.

10 Lessons in Chapter 7: OUP Oxford IB Math Studies Chapter 7: Number & Algebra 2
Test your knowledge with a 30-question chapter practice test
Arithmetic Sequences: Definition & Finding the Common Difference

1. Arithmetic Sequences: Definition & Finding the Common Difference

Watch this video lesson to learn the pattern that defines an arithmetic sequence. Learn how to identify arithmetic sequences as well as find the pattern easily. You will also learn the formula you can use to write any number in your sequence.

How and Why to Use the General Term of an Arithmetic Sequence

2. How and Why to Use the General Term of an Arithmetic Sequence

Watch this video lesson to learn the formula for the general term of an arithmetic sequence. Also learn why this formula makes working with an arithmetic sequence much easier.

The Sum of the First n Terms of an Arithmetic Sequence

3. The Sum of the First n Terms of an Arithmetic Sequence

In this video lesson, you will learn an easy to use formula for summing an arithmetic sequence. Watch as we use the formula in action and then get a chance to use it yourself as you follow along.

Understanding Arithmetic Series in Algebra

4. Understanding Arithmetic Series in Algebra

In this video lesson, we will learn about arithmetic series and how they work. Learn also how to find the pattern of an arithmetic sequence along with finding the sum.

Understand the Formula for Infinite Geometric Series

5. Understand the Formula for Infinite Geometric Series

Watch this video lesson to learn how to calculate the sum of an infinite geometric series. Learn about the interesting thing that happens when your common ratio is less than one.

Working with Geometric Sequences

6. Working with Geometric Sequences

In this video lesson, we'll learn how to recognize when a sequence of numbers is a geometric sequence, how to find the common ratio and how to expand a sequence to as many numbers as we want!

How and Why to Use the General Term of a Geometric Sequence

7. How and Why to Use the General Term of a Geometric Sequence

Watch this video lesson to learn the formula for the general term of a geometric sequence. You will learn how to write your own general term given a particular geometric sequence as well as the reason for doing this.

The Sum of the First n Terms of a Geometric Sequence

8. The Sum of the First n Terms of a Geometric Sequence

Watch this video lesson to learn how you can find the total of a geometric sequence up to a certain point. Learn the formula that you can use to help you find your answer.

Calculating Currency Transactions Involving Commission

9. Calculating Currency Transactions Involving Commission

Working on commission is a way to earn money based on your own efforts. In this lesson, learn what a commission is and how it is calculated using US currency examples.

Compounding Interest Formulas: Calculations & Examples

10. Compounding Interest Formulas: Calculations & Examples

Compound interest is a great way to have your money work for you. In this lesson, find out the formula for calculating compound interest and practice using the formula with several examples.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Support