Respuesta :

mhanifa

Answer:

Equation of a circle:

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

Substitute the given values to get the equation of this circle:

  • (x - (-5))² + (y - (-9))² = 7² ⇒
  • (x + 5)² + (y + 9)² = 49
msm555

Answer:

Solution given:

Centre(h,k)=(-5,-9)

radius (r)=7

we have

Equation of a circle is;

(x-h)²+(y-k)²=r²

Substituting value;

(x+5)²+(y+9)²=7²

(x+5)²+(y-9)²=49 is a required equation of a circle.

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