Answer:

General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
 - Parenthesis 
 - Exponents 
 - Multiplication 
 - Division 
 - Addition 
 - Subtraction 
 
Algebra I
- Reading a Cartesian Plane
 - Coordinates (x, y)
 - Slope Formula: 

 
Explanation:
Step 1: Define
Find points from graph.
Point (-1, 3)
Point (2, 9)
Step 2: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m
- Substitute in points [Slope Formula]: 

 - [Slope] Subtract/Add: 

 - [Slope] Divide: 
