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Mathematics, 13.04.2020 04:13 lyrhiii
Which of the following equations are equations of circles? Choose all that apply
(x+5)2 + (y + 2)2 = -4
2x2 + y2 +15x – y + 3 = 0
x2 + y2 + 2x+10y-5=0
3x2 + 3y2 + 12x +30y - 6 = 0
x2 - y2 + 20x + 2y +9= 0
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Which of the following equations are equations of circles? Choose all that apply
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