Answer:
![m=-2](https://img.qammunity.org/2021/formulas/mathematics/college/uxn43egr71t8b60ftce4qcbnrxnjmu07lr.png)
General Formulas and Concepts:
Pre-Algebra
- Order of Operations: BPEMDAS
Algebra I
- Slope Formula:
![m=(y_2-y_1)/(x_2-x_1)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/e9lgdayfzr27dyurvzbw9lffpiv7535tiv.png)
Explanation:
Step 1: Define
Find points from graph.
Point (1, 2)
Point (2, 0)
Step 2: Find slope m
- Substitute:
![m=(0-2)/(2-1)](https://img.qammunity.org/2021/formulas/mathematics/high-school/wjfenk8j1finy7mrf56ef690pyz4au53ic.png)
- Subtract:
![m=(-2)/(1)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/5wc4oce23k0xjprahs3clw6qru4zznuc4c.png)
- Divide:
![m=-2](https://img.qammunity.org/2021/formulas/mathematics/college/uxn43egr71t8b60ftce4qcbnrxnjmu07lr.png)
And we have our final answer!