Pre-Calculus

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I'm having trouble with this problem because I'm not sure what to do with the 1..

21. (x-5)^2+(y+2)^2=1

(x-(5))^2+(y+2)^2= ????

center= (5,2)

radius= ???

  • Pre-Calculus -

    x^2 + y^2 = r^2
    r is radius

  • Pre-Calculus -

    center is (5,-2)

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