Question

Determine the rate of change for the graph​

Answer 1

D) 1.5 centimeters per night

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

Find points from graph.

Point (0, 30)

Point (20, 60)

Step 2: Find slope m

1. Substitute:
   `m=(60-30)/(20-0)`
2. Subtract:
   `m=(30)/(20)`
3. Simplify:
   `m=(3)/(2)`
4. Divide:
   `m=1.5`