## Quadratic Functions - Chapter Summary and Learning Objectives

The lessons in this course cover the functions necessary to master quadratic equations. You'll learn various methods of solving quadratic equations. Other lessons cover the graphing of quadratic inequalities and graphing systems of quadratic inequalities. This chapter is designed to teach you:

• The definition of a parabola and about parabolas in various forms
• To solve quadratic equations using the quadratic formula or through factoring

Video Objective
What is a Parabola Defining and recognizing a parabola.
Parabolas in Standard, Intercept and Vertex Form Exploring various methods of expressing the equation of a parabola.
How to Factor Quadratic Equations: FOIL in Reverse Reversing the FOIL method to factor quadratic equations.
How to Complete the Square Solving equations by completing the square.
Completing the Square Practice Problems Practice in completing the square.
How to Solve a Quadratic Equation by Factoring Solving a quadratic equation by factoring.
How to Solve Quadratics with Complex Numbers as the Solution Solving quadratics with complex numbers as the solution.
Graphing and Solving Quadratics Graphing quadratic inequalities and identifying the regions that satisfy the inequalities.
Graphing a System of Quadratic Inequalities Graphing systems of quadratic inequalities and identifying the regions that satisfy the inequalities.

11 Lessons in Chapter 3: Quadratic Functions
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.