Answer:
Center: (8, -4)
Radius: 2√3
General Formulas and Concepts:
Algebra I
Pre-Calculus
Circle Center-Radius Equation: (x - h)² + (y - k)² = r²
- (h, k) is center
- r is radius
Step-by-step explanation:
Step 1: Define
Identify
(x - 8)² + (y + 4)² = 12
(h, k) = (8, -4)
r² = 12 → r = √12 = 2√3
