Identify the conic without completing the square or rotating...
Identify the conic by completing the squares and then graph the conic: 9x^2 - 12xy + 4y^2 + 8x + 12y = 0. Identify the graph of the conic section 4x^2+7xy-5y^2+3=0 under rotation. \\ a) circle \\ b) ellipse \\ c) hyperbola \\ d) parabola ...