# Section 3.4: Solving Quadratic Equations by Completing the Square

**Section 3.4 Textbook: Solving Quadratic Equations by Completing the Square**

Section 3.4 Textbook: Solving Quadratic Equations by Completing the Square

**Learning objectives**

• Complete the square of a quadratic expression.

• Solve quadratic equations by completing the square.

• Solve quadratic equations in standard form.

• Graph quadratic equations in vertex form.

• Solve real-world problems using functions by completing the square.

**Section 3.4 Videos**

**Video Lessons**

**Video Examples**

- Ex: Creating a Perfect Square Quadratic Trinomial Expression
- Ex: Create an Expression with a Perfect Square Quadratic Trinomial
- Ex 1: Completing the Square - Real Rational Solutions
- Ex 2: Completing the Square - Real Irrational Solutions
- Ex 3: Completing the Square - Complex Solutions
- Ex 4: Completing the Square - Leading Coefficient Not 1
- Ex 1: Write a Quadratic Function in Standard Form to Graph
- Ex 2: Write a Quadratic Function in Standard Form to Graph a not 1

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