Coordinate geometry › Circles in coordinates › Centre and radius

Center of a circle from general form

High school · ●○○○○ 10 pts

Find the coordinates of the center of the circle x2+y2−4x+2y−1=0x^2 + y^2 - 4x + 2y - 1 = 0. Give the xx-coordinate and the yy-coordinate.

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