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- 1. Multiple ChoiceWrite the equation of a circle with center (h,k) and radius r.x2 + y2 = r2(x + h)2 + (y + h)2 = r2(x - h)2 + (y - k)2 = r2(x - h)2 - (h - k)2 = r
- 2. Multiple Choice
What is the equation of the circle?
(x+1)2 + (y +1)2 = 3
(x+1)2 + (y -1)2 = 3
(x+1)2 + (y +1)2 = 9
(x-1)2 + (y -1)2 = 9
- 3. Multiple ChoiceWrite the equation at the origin with radius 6.x2 + y2 = 6x2 + y2 = 36x + y = 6x + y = 36
- 4. Multiple ChoiceWrite the equation of a circle with center (7, 0) with radius 3.(x - 7)2 + y2 = 9x2 + (y -7)2 = 9(x - 7)2 + y2 = 3x2 + (y -7)2 = 3
- 5. Multiple ChoiceWhat is the center of a circle with equation (x-4)2 + y2 = 5?(-4, 0)(4, 0)(4, 1)(-4, 1)
- 6. Multiple Choice
The point (-5,6) is on a circle with center (-1,3) write the equation of the circle
(x+1)2 + (y-3)2= 4000
(x+5)2 + (y-0)2= 25
(x+1)2 + (y-3)2= 25
(x-1)2 + (y+3)2= 25
- 7. Multiple ChoiceFind the center if the endpoints of the diameter are at (-12, -7) and (3, 5).(-4.5, -1)(-7.5, -6)(4.5, 1)(7.5, 6)
- 8. Multiple Choice
What is the equation for the circle, if it has diameter endpoints at (3,-4) and (-5,-4)?
(x+1)² + (y-4)² = 4
(x+1)² + (y+4)² = 16
(x-1)² + (y-4)² = 16
(x+1)² + (y+4)² = 4
- 9. Multiple ChoiceWhat is the radius of the circle with this equation of (x-5)²+(y+7)²=8?484√22√2
- 10. Multiple ChoiceWhat is the equation of this circle?(x + 3)2 + (y - 1)2 = 9(x - 3)2 + (y + 1)2 = 9(x - 3)2 + (y + 1)2 = 3(x + 3)2 + (y - 1)2 = 3
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