serranov2004 serranov2004 19-08-2020 Mathematics contestada Solve the system of equations. y=-2x y= x2 - 8 A. (-4, 8) and (2, -4) B. (-2,-4) and (4,8) C. (-4,-8) and (2, 4) D. (-2, 4) and (4, -8)