A circle has the equation 2x2+12x+2y2-16y-150=0.
What are the coordinates of the center, and what is the length of the radius?
The coordinates of the center are (-3,4), and the length of the radius is 10 units.
The coordinates of the center are (3,-4), and the length of the radius is 10 units.
The coordinates of the center are (6,-8), and the length of the radius is 10 units.
The coordinates of the center are (-6,8), and the length of the radius is 10 units.
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