Algebra

Complex numbers Solutions

(1 point) Which of the following sets are subspaces of R³?
DA. {(-5, y, z) | y, z arbitrary numbers }
B. {(x, y, z) | x+y+z= -8}
C. {(8x + 6y, 3x - 9y, -2x +9y) | x, y arbitrary numbers }
OD. {(x, y, z) | x+y+z=0}
E. {(x, y, z) | 5x + 7y= 0,4x + 8z = 0}
OF. {(x, y, z) | x <y<z}