Mathematics

9th -

12thgrade

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Equation of a Circle

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20 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
    Image
    Write 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
  • 2. Multiple Choice
    1 minute
    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
    1 minute
    1 pt
    In the equation (x-4)2+(x-3)2=25, the radius is
    4
    3
    5
    25
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