Solve the system: x+2y=0x + 2y = 0x+2y=0 and x−y=3x - y = 3x−y=3.
(2,−1)(2, -1)(2,−1)
(−2,1)(-2, 1)(−2,1)
(1,−2)(1, -2)(1,−2)
(3,0)(3, 0)(3,0)