Write the equation of the circle passing through the origin with center (– 9, –12) .

(x + 9) – (y −12) = 325

(x + 9)2 + (y +12)2 = 225

(x + 9)2 + (y +12)2 = 325

(x − 9)2 + (y −12)2 = 225

(x − 9)2 + (y −12)2 = 325

Respuesta :

Answer:

[tex](x+9)^{2} +(y+12)^{2}=225[/tex]

Step-by-step explanation:

Remember that the center of a circle is written in (h,k) format.  So h= - 9 and k = -12.  Also, the distance between those two points is 15 units, so r = 15.

So the formula [tex](x-h)^{2} +(y-k)^{2}=r^{2}[/tex]

Should look like [tex](x+9)^{2} +(y+12)^{2}=225[/tex]

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