# Ch 4: Quadratic Equations and Functions

Watch quadratic equations and functions video lessons and learn the quadratic formula, how to complete the square, and more. Take the quizzes that follow each lesson to test your knowledge of quadratic equations and functions.

## Quadratic Equations and Functions - Chapter Summary and Learning Objectives

This chapter introduces algebraic concepts including the quadratic formula, factoring, and completing the square. You will receive refresher information on principles you need to know to assimilate new steps, and you'll be guided through different processes and methods used to solve functions and quadratic equations. The lessons in this chapter are designed to help you:

• Become familiar with the quadratic formula
• Factor quadratic equations
• Solve non-standard-form quadratics
• Know how to complete the square

Video Objective
How to Solve Quadratics That Are Not in Standard Form Learn how to algebraically re-form non-standard quadratics into standard form.
How to Use the Quadratic Formula to Solve a Quadratic Equation Understand when and how to solve quadratic equations with the quadratic formula.
How to Solve a Quadratic Equation by Factoring Know how to use factoring to find the solution to a quadratic equation.
Factoring Quadratic Equations: Polynomial Problems with a Non-1 Leading Coefficient Learn the steps involved in factoring quadratics that don't have 1 as the leading coefficient.
How to Factor Quadratic Equations: FOIL in Reverse Use the FOIL (first, outer, inner, and last terms) method in reverse to factor quadratic equations.
Completing the Square Practice Problems Undergo sample problems to ensure comprehension of how to complete the square.
How to Complete the Square Understand how to convert a standard-form quadratic equation into vertex form (i.e., complete the square).

7 Lessons in Chapter 4: Quadratic Equations and 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

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