Answer:
![m=(-23)/(3)](https://img.qammunity.org/2021/formulas/mathematics/college/nmpvc9sd6uasn3qxsi37g3kv48fvzhcktq.png)
![m=-7.6666666667](https://img.qammunity.org/2021/formulas/mathematics/college/2h6zlm5srnvr2fr6u0t64da255obuxksfz.png)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
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
Point (-1.25, -18.5)
Point (0.25, -30)
Step 2: Find slope m
- Substitute:
![m=(-30+18.5)/(0.25+1.25)](https://img.qammunity.org/2021/formulas/mathematics/college/nkl6em4z4qptudrq2h06in6u0wnnq414lc.png)
- Add:
![m=(-11.5)/(1.5)](https://img.qammunity.org/2021/formulas/mathematics/college/ah490dqls9o0duawsznugnnt3xohwmaqv3.png)
- Divide:
![m=(-23)/(3)](https://img.qammunity.org/2021/formulas/mathematics/college/nmpvc9sd6uasn3qxsi37g3kv48fvzhcktq.png)