Question

HELPPPPP

For the vectors u =
= (2,9), v= {4,-8), and w = (-12, 4), what is u + v + w?
(6, 1)
(6,5)
(-6, 5)
(-6, 21)

Answer 1

(-6,5)

Explanation:

Write the vectors on top of each other like this:

(+2,+9)

(+4,-8)

(-12,4)

Then add them together in each number column. 2+4-12=-6, and 9-8+4=5. The resultant vector is (-6,5).