Question

are u = <1, -2>, v = <-4, 8> parallel?

Answer 1

could you explain this problem better?

Answer 2

You know you could try plotting them on a coordinate plane...

Answer 3

yes, but what is x and y? This is not in any slope-intercept form or any other commonly used form.

Answer 4

How old are you?

Answer 5

anyways, they are parallel as they are multiples of the same vector. viola!

Answer 6

oh, vectors!

Answer 7

thank you both!!