Question

Vectors
U = (-6,7)
find 2u
I'm not sure why this answer isn't coming out right o.o

Answer 1

@IrishBoy123

Answer 2

2*(-6 ) =?
2*7 =?

Answer 3

12, 14

Answer 4

14 is correct , but 12 is not

Answer 5

um..-12?

Answer 6

yes, dat sit

Answer 7

Why don't the negatives cancel?

Answer 8

2u means 2*u not u^2 which is u*u

Answer 9

for example, if the number is -3, then 2*(-3) = -6, while (-3)^2 = (-3)*(-3) = 9 . DIFFERENT!!!

Answer 10

hrm hrm ok

Answer 11

thanks!