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

Explanation:
Step 1: Define
Find points from graph
Point (-2, 0)
Point (1, 2)
Step 2: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m
- Substitute in points [Slope Formula]:

- [Fraction] Subtract:
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