# Ch 1: Algebra II: Real Numbers

Watch online math video lessons and learn about rational numbers, absolute value, Pythagorean triples and more. These video lessons are short and engaging and make learning easy!

## Algebra II: Real Numbers - Chapter Summary and Learning Objectives

Watch the video lessons included in this chapter to learn what real and rational numbers are. Our experienced instructors can show you how to plot rational figures on a number line, find a real number's absolute value and convert between different forms of notation. They can even help you discover the differences between transcendental and algebraic numbers. By the time you finish this chapter, you should be able to:

• Identify the different types of numbers
• Place rational numbers on a number line
• Convert between fraction and decimal notation
• Remove square roots from the denominators of fractions
• Identify Pythagorean triples and common transcendental numbers

Video Objectives
What Are the Different Types of Numbers? Find out which types of numbers are natural, real, irrational, rational and whole.
Graphing Rational Numbers on a Number Line Learn how to draw a number line and use it to graph rational numbers.
Notation for Rational Numbers, Fractions & Decimals Understand how to convert a rational number from decimal to fraction notation and back again.
The Order of Real Numbers: Inequalities Practice determining which real number in an inequality is greater.
Finding the Absolute Value of a Real Number Learn what absolute value is and how to find it for any real number.
How to Rationalize the Denominator with a Radical Expression Follow the steps required to remove radicals from the denominator of a fraction.
Algebraic Numbers and Transcendental Numbers Explain algebraic numbers and transcendental numbers. Familiarize yourself with well-known transcendental numbers, such as e, pi and the Liouville constant.
Understanding Numbers That Are Pythagorean Triples Investigate numbers that are Pythagorean triples.

8 Lessons in Chapter 1: Algebra II: Real Numbers
Test your knowledge with a 30-question chapter practice test
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.