Question

Precalc:
Determine whether the vectors u and v are parallel, orthogonal, or neither
u = <7, -4>, v = <-28, 16>

Answer 1

If v = somenumber* u, then u, v are parallel
If u (dot)v =0, then u, v are orthogonal
If neither of them, then, they are neither

Answer 2

so parallel? because -4

Answer 3

correct

Answer 4

thanx