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Mathematics
9th -
12thgrade
Radius and Center of Circle from Equation
10 questions
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- 1. Multiple Choice
In the equation (x + 2)2 + (y - 3)2 = 4, the radius of the circle is...
4
2
3
16
- 2. Multiple Choice
In the equation (x - 4)2 + (x - 3)2 = 25, the radius is...
4
3
5
25
- 3. Multiple Choice
In the equation
(x - 3)2 + (y - 2)2 = 16, the center of the circle is...
(3,2)
(-3, -2)
(-2, -3)
(2, 3)
- 4. Multiple Choice
What is the center of the circle with this equation is (x + 2)² + (y - 4)² = 41?
(2,-5)
(-2,4)
(2,-4)
(-2, -4)
- 5. Multiple ChoiceWhat are the coordinates of the center and the radius of the circle with equation:
(x - 4)2 + (y - 3)2 = 25 ?Center (4,3)
Radius = 5 unitsCenter (4,3)
Radius = 25 unitsCenter (-4,-3)
Radius = 25 unitsCenter (-4,-3)
Radius = 5 units - 6. Multiple Choice
What is the center and radius for a circle with the equation:
(x - 4)2 + (y + 2)2 = 169
C:(4, -2), r=13
C:(-4, 2), r=13
C:(4, -2), r=169
C:(-4, 2), r=169
- 7. Multiple Choice
Identify the CENTER and RADIUS for the following circle:
Center: (0,0) Radius: 9
Center: (-2, 4) Radius: 9
Center: (1,1) Radius: 18
Center: (-2, 2) Radius: 18
- 8. Multiple Choice
Identify the CENTER and RADIUS for the following circle:
Center: (0,0) Radius: 10
Center: (0, 0) Radius: 1
Center: (-10,-10) Radius: 10
Center: (1, 1) Radius: 1
- 9. Multiple Choice
Identify the CENTER and RADIUS for the following circle:
Center: (4,-8) Radius: 1
Center: (4, -8) Radius: 0
Center: (-4, 8) Radius: 2
Center: (-4, 8) Radius: 1
- 10. Multiple Choice
Identify the CENTER and RADIUS for the following circle:
Center: (0,0) Radius: 12
Center: (0,0) Radius: 18
Center: (1,1) Radius: 10
Center: (1,2) Radius: 25
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