# Ch 13: Quadratic Polynomials & Parabolas

Boost your confidence ahead of an important exam by reviewing this chapter on quadratic polynomials and parabolas. The video and text lessons and quizzes that make up this comprehensive study guide are accessible 24 hours a day on your mobile device or computer.

## Quadratic Polynomials & Parabolas - Chapter Summary

Our helpful chapter on quadratic polynomials and parabolas explains quadratic functions, equations, formulas and graphs. You'll review the process involved in solving and graphing quadratic inequalities and the explanation of what a discriminant is. Our lessons also cover the identity of two quadratic expressions and the focus and directrix of a parabola. This chapter is designed to help you:

• Differentiate between indefinite and definite quadratic functions
• Use the focus and directrix to find the equation of a parabola
• Understand parametric equations in applied contexts

The video and text lessons in this chapter were created by professional instructors to make sure your study experience is thorough and enjoyable. After reviewing the lessons, take the multiple-choice quizzes to test yourself on what you've learned. Or take the quizzes before working through the lessons to see how you'd do on an upcoming exam. Feel free to reach out to an instructor for assistance if you need it.

9 Lessons in Chapter 13: Quadratic Polynomials & Parabolas
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.
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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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