identify the centerand radius of each equation. Then sketch a graph.
1. (x+1)² + (y-2)² = 9
2. x²+y²+8x-6y-39= 0
3. (x+2)²+ (y+3)²=4
4. x²+y²-10x + 16y - 32 = 0
5. (x+1)² + (y+2)² = 25
