1. The vector [1, 3, 1] and [2, 4, 6] are
a.independent.
b. dependent.
2. If v is a solution of Ax=b and w is a solution of Ax=0, then 2v+3w is a solution of a. Ax=b b. Ax=0 c. Ax=2b d. Ax=3b e. Ax=5b
3. Any set of three vectors in R^3 must form a basis.
True
False
4. If L is a special lower triangular n*n matrix, then the columns of L form a basis of R^n.
True
False
5. If Ax=[1,0] and Ay=[3,0], then which of the following vector lie in the kernel of A?
a. 2x b. 3x-y c. x-3y d. x+y Other