Mathegoras

Coordinate geometry › Circles in coordinates › Centre and radius

Centre of a circle from its equation

High school · ●○○○○ 10 pts

Find the coordinates (a,b)(a, b) of the centre of the circle x2+y2+6x−8y−24=0x^2+y^2+6x-8y-24=0.

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circle equationcompleting the square