Question

What is the rate of change of the line through (0,-7) and (2,7)

Answer 1

`m=7`

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Algebra I

• Slope Formula:
  `m=(y_2-y_1)/(x_2-x_1)`

Explanation:

Step 1: Define

Point (0, -7)

Point (2, 7)

Step 2: Find slope m

Substitute the points into the slope formula to find rate of change.

1. Substitute [SF]:
   `m=(7+7)/(2-0)`
2. Add/Subtract:
   `m=(14)/(2)`
3. Divide:
   `m=7`