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write the standard form of the equation of a circle with center at (5, -6) and with radius of 7 units​

Sagot :

SOLUTION

Remember that in standard form of a circle is

  • (x-h)²+(y-k)²=r²
  • where C(h,k) and r is the radius

Now, given that

  • h = 5 , k = -6 , r = 7

Substituting the values to the standard form

  • (x-5)²+(y-(-6))²=7²
  • (x-5)²+(y+6)²=49

ANSWER

  • (x-5)²+(y+6)²=49

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