1. center (-3,2) radius 8
(Select) (x-3)²+(x+2)²=36 (x+3)²+(y-2)²=64 (x+2)²+(y-3)²=36 (x-3)²+(y-2)²=64

2. center (0,0) radius 4
(Select) x² + y² = 25 (x-1)² + y²=16 x² + y² = 16 x² - y²=16

3. center (1,2) radius 3
(Select) (x-1)²+(y-2)²=9 (x+1)²+(y-2)²=16 (x+1)²+(y+2)²=9 (x-1)²-(y-2)²=9

4. Find the center and radius of (x-3)²+(y-1)²=36
(Select) center (3,1) radius 6 center (-3,1) radius 6 center (-3,-1) radius 6 center (3,1) radius 5

5. Find the center and the radius of (x+5)²+(y+4)²=9
(Select) center (5,4) radius 3 center (-5,4) radius 3 center (-5,-4) radius 3 center (-4,-5) radius 3

6. Find the center and the radius of x²+y²=1
(Select) center (0,0) radius 1 center (-1,1) radius=1 center (-2,-2) radius 3 no center radius 3

7. Find the center and the radius of (x-2)²+(y+6)²=25
(Select) center (-6,2) radius 5 center (2,-6) radius 5 center (-2,-6) radius 5 center (6,2) radius 5

8. Find the standard form of circle center (1,2) radius 5
(Select) (x-1)²+(y-2)²=25 (x+1)²+(y+2)²=25 (x-1)²+(y+2)²=25 (x-1)²+(y-2)²=6

9. Find the standard form of the circle center (3,2) radius 1
(Select) (x - 3)²+(y + 2)²=1 (x + 3)²+(y + 2)²=25 (x + 3)² + (y - 2)²=25 (x - 3)² + (y - 2)²=1

10. Find the center and the radius of (x - 7)²+(y - 3)² = 81
(Select) center (7,3) radius 9 center (3,-7) radius 9 center (-7,3) radius 9 center (-7,-3) radius 9

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