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Mathematics

9th -

12thgrade

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Equation of a Circle

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13 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Write the equation of a circle with center (7, 0) with radius 3. 
    (x - 7)2 + y2 = 9
    x2 + (y -7)2 = 9
    (x - 7)2 + y2 = 3
    x2 + (y -7)2 = 3
  • 2. Multiple Choice
    30 seconds
    1 pt
    In the equation (x+2)2+(y-3)2=4, the radius of the circle is...
    4
    2
    3
    16
  • 3. Multiple Choice
    30 seconds
    1 pt
    In the equation (x-3)2+(y-2)2=16, the center of the circle is...
    (3,2)
    (-3, -2)
    (-2, -3)
    (2, 3)
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