Mathematics, 07.05.2020 13:01 korleone8071

A circle has the equation x2+y2+16y−30x=0.
What is the equation of the circle in standard form, the coordinates of its center, and the length of its radius?

The equation of the circle is (x+15)2+(y−8)2=289; the center is at (−15,8), and the radius is 17 units.

The equation of the circle is (x−15)2+(y+8)2=289; the center is at (−15,8), and the radius is 289 units.

The equation of the circle is (x−15)2+(y+8)2=289; the center is at (15,−8), and the radius is 17 units.

The equation of the circle is (x−15)2+(y+8)2=289; the center is at (15,−8), and the radius is 289 units.

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A circle has the equation x2+y2+16y−30x=0.
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