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Ch 36: THEA Test: Quadratic Equations

About This Chapter

Rediscover quadratic equations by reviewing the short video lessons in this chapter. Self-assessment quizzes and a chapter exam can gauge your comprehension as you study for the THEA exam in Texas.

THEA Test: Quadratic Equations - Chapter Summary

This chapter on quadratic equations, parabolas and binomials can help you overcome the jitters often experienced when taking a test like the THEA exam. Watch the videos to ensure you're ready to answer questions on the test that address the following:

  • Defining the quadratic equation and solving quadratics
  • Understanding how to use a quadratic formula to solve a quadratic equation
  • Solving quadratics that are not in standard form
  • Knowing how to solve quadratic inequalities using two binomials
  • Analyzing, defining and graphing the parabola
  • Writing the equation of a parabola in standard form
  • Examining parabolas in standard, intercept and vertex form

You can tailor the lessons to suit your studying needs. Feel free to review them in any sequence. If you'd like to revisit key topics while working to absorb the lesson concepts, utilize the timeline located below each video.

THEA Test: Quadratic Equations Chapter Objectives

The Texas Higher Education Assessment (THEA) Internet-Based Test (IBT) is required for many students planning to enter Texas public colleges and universities as freshmen. The test is broken into three sections: reading, mathematics and writing. The topics in this quadratic equations chapter are found in the math section, which consists of 50 multiple-choice questions. To pass this section of the test, you must earn a minimum score of 230.

Watch the lessons in this chapter and access full video transcripts with helpful vocabulary words to prepare for the test. You can also take self-assessment quizzes to gauge your comprehension of the lessons. If you have any questions about chapter topics, submit them to our experts.

9 Lessons in Chapter 36: THEA Test: Quadratic Equations
What is a Quadratic Equation? - Definition & Examples

1. What is a Quadratic Equation? - Definition & Examples

You might be surprised to learn that quadratic equations are an important part of the world we live in. We sometimes even make use of them for our entertainment! Watch this video lesson to learn more about these equations.

Solving Quadratics: Assigning the Greatest Common Factor and Multiplication Property of Zero

2. Solving Quadratics: Assigning the Greatest Common Factor and Multiplication Property of Zero

When it comes to solving quadratics, we have at our disposal several methods. Watch this video lesson to learn one such method you can use to solve quadratics that don't have a constant term.

How to Use the Quadratic Formula to Solve a Quadratic Equation

3. How to Use the Quadratic Formula to Solve a Quadratic Equation

When solving a quadratic equation by factoring doesn't work, the quadratic formula is here to save the day. Learn what it is and how to use it in this lesson.

How to Solve Quadratics That Are Not in Standard Form

4. How to Solve Quadratics That Are Not in Standard Form

It isn't always the case that your equation will be set up nicely for you to solve. In this lesson, learn how to factor or use the quadratic formula to solve quadratic equations, even when they are not in standard form.

Solving Quadratic Inequalities Using Two Binomials

5. Solving Quadratic Inequalities Using Two Binomials

Watch this video lesson to learn what simple steps you can take to solve quadratic inequalities using two binomials. See how it only requires a few steps to solve quadratic inequalities using this method.

What is a Parabola?

6. What is a Parabola?

A parabola is the U shape that we get when we graph a quadratic equation. We actually see parabolas all over the place in real life. In this lesson, learn where, and the correct vocab to use when talking about them.

The Parabola: Definition & Graphing

7. The Parabola: Definition & Graphing

Watch this video lesson to learn what a parabola is and how you can graph it. Find out how to extract useful information from the standard form equation of a parabola to help you graph it.

How to Write the Equation of a Parabola in Standard Form

8. How to Write the Equation of a Parabola in Standard Form

After watching this video lesson, you will be able to write the equation of a parabola in standard form when given just two important points from the parabola. Learn what these two points are and how they relate to the parabola.

Parabolas in Standard, Intercept, and Vertex Form

9. Parabolas in Standard, Intercept, and Vertex Form

By rearranging a quadratic equation, you can end up with an infinite number of ways to express the same thing. Learn about the three main forms of a quadratic and the pros and cons of each.

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Other Chapters

Other chapters within the THEA Test: Practice & Study Guide course

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