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Mathematics, 20.11.2019 03:31 exoticbunnylover123

Match the pairs of equations that represent concentric circles. tiles 3x2 + 3y2 + 12x βˆ’ 6y βˆ’ 21 = 0 5x2 + 5y2 βˆ’ 10x + 40y βˆ’ 75 = 0 5x2 + 5y2 βˆ’ 30x + 20y βˆ’ 10 = 0 4x2 + 4y2 + 16x βˆ’ 8y βˆ’ 308 = 0 x2 + y2 βˆ’ 12x βˆ’ 8y βˆ’ 100 = 0 2x2 + 2y2 βˆ’ 8x + 12y βˆ’ 40 = 0 4x2 + 4y2 βˆ’ 16x + 24y βˆ’ 28 = 0 3x2 + 3y2 βˆ’ 18x + 12y βˆ’ 81 = 0 x2 + y2 βˆ’ 2x + 8y βˆ’ 13 = 0 x2 + y2 + 24x + 30y + 17 = 0

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Match the pairs of equations that represent concentric circles. tiles 3x2 + 3y2 + 12x βˆ’ 6y βˆ’ 21 = 0...
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