[50 POINTS] How do you prove Theorem 2, that the solution set if the homogeneous linear system Ax=0 is a subspace of R^n?

Respuesta :

I know the answer but its too long and I am lazy

Answer:

get from (4,1) to (2,9) go up 8 and over 2 left (-2) - (4 - 2, 1 + 8), do this again (2 - 2, 9+8) and end up at (0,17) which is the y how do you change 7x+3y=3 into slope intercept form.