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    3. how to find center and radius of circle where (x-5)squared + (y-3) squared = 16
    how to find center and radius of circle where (x-5)squared + (y-3) squared = 16

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    0  Views: 1446 Answers: 1 Posted: 13 years ago
    Tags: geometry
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      1 Answer

      Formula:  (x – h)2 + (y – k)2 = r2


      (x - 5)squared + (y - 3)squared = 16


      To find the center, look at (x) and the number with it. Do the same with (y). Put these numbers in the  formula. Note: "PAY ATTENTION TO THE SIGNS"!


      Center:  (5, 3)


      16 = r^2


      Equation:


      r^2 = 16


      r = 4


      For more help, click > Surviving College Algebra-Circles 

      13 years ago. Rating: 2
      Comment this answer

        Dardaigh

        You are a math wizard, chelleanne. :)
        commented 13 years ago


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