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- 1. Multiple Choice
Does the point (4,5) lie on the circle whose center is (-2,-2) and radius 9?
yes
No
- 2. Multiple ChoiceIs the point (3 , 5) inside, outside or on the circle with equation x2 + y2 = 9?Inside the CircleOutside the CircleOn the Circle
- 3. Multiple ChoiceFor what value of K is the point (1 , K) inside the circle with equation x2 + y2 = 4?K = 1K = 2K = 3K = 4
- 4. Multiple ChoiceIs the point (-3 , 5) inside, outside or on the circle with equation (x+2)2 + (y-4)2 = 9?Inside the CircleOutside the CircleOn the Circle
- 5. Multiple ChoiceHow do you determine if a point is inside the circle?See if value after substitution for (x, y) = r2See if value after substitution for (x, y) > r2See if value after substitution for (x, y) < r2
- 6. Multiple ChoiceA meteorite damaged a portion of a farm expressed by the equation (x - 6)2 + (y - 7)2 = 16. Which item on the farm was not damaged by the meteorite?The Silo located at
(2, 4)The Barn located at
(4, 6)The Pigpen located at
(8,9) - 7. Multiple Choice
Prove or disprove that the point (3,4) lies on the circle centered at the origin and has a radius of 5.
(3,4) lies on the circle
(3,4) lies outside the circle
(3,4) lies inside the circle
- 8. Multiple Choice
Prove or disprove that the point (8,-3) lies on the circle centered at (-4,3) and has a radius of 13.
(8,-3) lies on the circle
(8,-3) lies outside the circle
(8,-3) lies inside the circle
- 9. Multiple Choice
Prove or disprove that the point (3,7) lies on the circle centered at the origin and has a radius of 8.
(3,7) lies on the circle
(3,7) lies outside the circle
(3,7) lies inside the circle
- 10. Multiple Choice
Circle O has a center at (3,1) and a diameter of 10 units. Which point lies on circle O?
(3,-4)
(-3,-1)
(5,1)
(8,0)
- 11. Multiple Choice
The equation (x+3)2+(y-5)2=r2 represents circle A. The point B(0,6) lies on the circle. What is r, the length of the radius of circle A?
√13
2
10
√10
- 12. Multiple Choice
Determine which point lies on the circle with equation x2+y2=49
(√11,3)
(0,-7)
(-4, √13)
(8,0)
- 13. Multiple Choice
What does (h,k) standard for in the standard circle equation?
(h,k) is the center of the circle
(h,k) is a point on the circle.
(h,k) is a point that we guess and find
(h,k) is the distance of the circle
- 14. Multiple Choice
What does the r in the standard equation stand for?
r is the distance of the circle
r is the radius of the circle
r is the x coordinate of the center of the circle
r is the y coordinate of the center of the circle
- 15. Multiple Choice
Write an equation of a circle in standard form if the center is located at (0, -2) and the radius is √3 (square root of 3).
x2 + (y - 2)2 = 3
x2 + (y - 2)2 = 9
x2 + (y + 2)2 = 3
(x - 1)2 + (y - 2)2 = 9
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