Algebra 2MediumConic Sections ShareConic Sections · Medium problemThe circle x2+y2−4x+6y−87=0x^2 + y^2 - 4x + 6y - 87 = 0x2+y2−4x+6y−87=0 is written in general form. Find its centre and its radius. Show answer Walk through it step by step Practice more like this Review this concept