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- 1. Multiple Choice
Which of the following is the equation of a circle with a radius of 5 and a center (-3,2) ?
(x-3)2+(y+2)2=25
(x+3)2+(y-2)=5
(x+3)2+(y-2)2=25
(x-3)2+(y+2)2=5
- 2. Multiple Choice
What is the center of the circle with an equation of (x+3)2+y2=144 ?
(3,0)
(0,3)
(-3,0)
(0,-3)
- 3. Multiple Choice
Select the equation of a circle that has a diameter of 12.
(x-6)2+(y+6)2=12
(x-12)2+(y-2)2=6
(x+1)2+(y-12)2=144
(x-4)2+(y-1)2=36
- 4. Multiple Choice
Select all equations that have a radius of 3.
(x-3)2+(y-3)2=3
(x+6)2+(y-2)2=9
(x+5)2+y2=6
(x-7)2+(y-1)2=9
(x-2)2+(y-3)2=6
- 5. Multiple Choice
Write the equation of a circle with a center at (-2,3) and a point on the circle at (-2,7).
(x+2)2+(y-3)2=16
(x+2)2+(y-3)2=4
(x-2)2+(y+3)2=4
(x-2)2+(y+3)2=16
- 6. Multiple Choice
Write the equation of a circle with a center at (-2,1) and a point on the circle at (0,3).
- 7. Multiple Choice
Identify the center and radius of the circle with an equation of (x-4)2+(y-1)2=49
Center: (-4,-1) and radius: 24.5
Center: (4,1) and radius: 24.5
Center: (-4,-1) and radius: 7
Center: (4,1) and radius: 7
- 8. Multiple Choice
Which point lies on the circle (x+4)2+(y-1)2=25 ?
(-4,1)
(-1,-1)
(-4,6)
(5,5)
- 9. Multiple Choice
Write the equation of a circle with a center at (0,2) and a diameter of 8.
x2+(y-2)2=8
x2+(y-2)2=64
x2+(y-2)2=4
x2+(y-2)2=16
- 10. Multiple Choice
Write the equation of the circle graphed above.
(x-2)2+(y+2)2=9
(x+2)2+(y-2)2=9
(x-2)2+(y+2)2=3
(x+2)2+(y-2)2=3
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