## Unit 3 - Quadratic Relations

What happens when a line is not enough? What does the graph look like when we square the x-value? In this unit, students will learn about quadratic relations and the algebra connected to parabolas.

### 3.1 - Quadratic Relations (Parabolas)

A: Fri. Oct. 2
B: Mon. Oct. 5

In-Class Lesson: Blank | Filled-in

Mr. Brash's 3.1 Video Lesson | Video Written File

### 🏠 3.2 (Part 1) Graphing Parabolas

A: WEEKEND + Mon. Oct. 5
B: Tues. Oct. 6

Part 1 - Graphing Parabolas: Mr. Brash's Video Lesson

Mr. Brash's Video for Part 1
Another Example

### 🏠 3.2 (Part 2) Transforming Parabolas

A: WEEKEND + Mon. Oct. 5
B: Tues. Oct. 6

Investigation:

### 3.3 - Solving Quadratic Equations (Generally)

Solving through Algebra

A: Tues. Oct. 6
B: Wed. Oct. 7

In-Class Lesson: Blank | Filled-in

The extra video links for this lesson are very good - Khan Academy does an excellent job explaining. Especially the playlist.

Mr. Brash's Video
Solving Factored Form (Khan)
Entire Playlist (Khan)

### 🏠 3.4 - Solving Quad. Equations by Factoring

Solving (x + 3)(x - 6) = 0

A: Wed. Oct. 7
B: Thurs. Oct. 8

### 🏠 3.5 - Graphing Factored Form

Graphing from Factored Form

A: Wed. Oct. 7
B: Thurs. Oct. 8

Mr. Brash's Video
Graphing Factored Form (Khan)
Word Problem Example (Khan)

### 3.6 Completing the Square

Creating Vertex Form from Standard Form

A: Thurs. Oct. 8
B: Tues. Oct. 13

### 🏠 3.7 Graphing Vertex Form

Connecting to transformations (3.2)

A: Tues. Oct. 13
B: Wed. Oct. 14