Question

Linear Algebra

Answer 1

vectors that form a basis form an invertible matrix (with a non-zero determinant)
find the determinant of the matrix containing v1,v2,v3 and find k such that this determinant is equal to 0

Answer 2

im lost

Answer 3

1) form a matrix containing vectors v1, v2, and v3
2) set the determinant of this matrix equal to zero
3) solve for k