Let x,y,z be vectors (non-zero) and suppose and w = 5y -10x - 4z.
If z = y - 2x, then w = -2x + y,

Mark the statements below that must be true.
A. Span(w,z)=span(x,z)
B.Span(w,x,y)=Span(x,y)
C.Span(x,z)=Span(y,z)
D.Span(w,y,z)=Span(w,x,z)
E.Span(x,y,z)=Span(w,z)