alleryEquation of circle with center (1, -2) and radius 3:
Ax²+y²=10
Bx² + y² = 9
C(x+1)² + (y-2)² = 9
D(x-1)² + (y+2)² = 9
Answer & Solution
Correct answer: D. (x-1)² + (y+2)² = 9
**Standard:** (x-h)² + (y-k)² = r².
Center (1, -2), r = 3: (x-1)² + (y+2)² = 9.
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