Finding the Center and Radius of a Circle Given the Equation and Vice Versa

Math - Grade 10 / Geometry

Sample Question

Which of the following is the equation of a circle with length of radius [% r %] and center [% \left(h,k\right) %]?

  • [% \left(x-h\right)^2+\left(y-k\right)^2=r^2 %]
  • [% \left(x-h\right)^2-\left(y-k\right)^2=r^2 %]
  • [% \left(x+h\right)^2+\left(y+k\right)^2=r^2 %]
  • [% \left(x+h\right)^2-\left(y+k\right)^2=r^2 %]

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Quipper School Philippines Curriculum

Math - Grade 10

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