Ch 26: THEA Test: Radicals & Square Roots

About This Chapter

Take a closer look at radicals and square roots by reviewing the short videos in this chapter. You can get reacquainted with the subject area to simplify the process of studying for the THEA test in Texas.

THEA Test: Radicals & Square Roots - Chapter Summary

This chapter is designed to refresh your knowledge of radicals and square roots so you're prepared to answer related questions on the THEA test. Watching the lessons will ensure you're ready to:

  • Define radical expressions
  • Find the square root of a number
  • Exhibit how to estimate square roots
  • Showcase an ability to simplify expressions containing square roots
  • Explain the process of simplifying the square roots of powers in radical expressions

Instructors offer step-by-step guidance to ensure you know how to perform mathematical operations associated with radicals and square roots. Gain access to the definitions and examples you need to fully comprehend the subject area.

THEA Test: Radicals & Square Roots Objectives

Students are often required to take the Texas Higher Education Assessment (THEA) Internet-Based Test (IBT) if they are interested in gaining admission to Texas public colleges or universities as entering freshmen. The test is broken into three sections that test students' comprehension of math, reading and writing. This chapter covers topics found in the mathematics section of the test. It consists of 50 multiple-choice questions and requires a minimum score of 230 to pass.

You can make preparing for questions in this section of the test easier by reviewing radicals and square roots in this chapter. In addition to watching video lessons, you can test your comprehension with short lesson quizzes and a practice chapter exam. If you run across lesson topics that require more clarity, simply submit your questions to experts who are eager to help.

5 Lessons in Chapter 26: THEA Test: Radicals & Square Roots
Test your knowledge with a 30-question chapter practice test
Radical Expression: Definition & Examples

1. Radical Expression: Definition & Examples

A radical expression is any mathematical expression containing a radical symbol (√). This lesson will go into more detail about the types of radical expressions and give some examples of how to work with them in mathematics. There will be a quiz at the end of the lesson.

How to Find the Square Root of a Number

2. How to Find the Square Root of a Number

What is a square root? In this lesson, we'll learn what a square root is and how to find it. We'll review a variety of examples in order to master the concept.

Estimating Square Roots

3. Estimating Square Roots

Inverse operations are mathematical operations that undo each other. The square root is the inverse of the squared (or multiplying a number by itself) operation. There is an easy method for estimating the square root of a number, which you will learn in this lesson.

Simplifying Expressions Containing Square Roots

4. Simplifying Expressions Containing Square Roots

In order to write radical expressions correctly, they have to be written in their simplest form. This lesson will show you how to simplify expressions containing numbers and variables inside a square root.

Simplifying Square Roots of Powers in Radical Expressions

5. Simplifying Square Roots of Powers in Radical Expressions

Simplifying radical expressions that contain powers can be tricky. There are a few simple rules that will help you perform these simplifications with ease. This lesson will teach you how.

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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