Answer:
[tex]\displaystyle m=0[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Algebra I
Step-by-step explanation:
Step 1: Define
Point (5, 9)
Point (-3, 9)
Step 2: Identify
x₁ = 5, y = 9
x₂ = -3. y = 9
Step 3: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m