Vector v has its initial point at (7.-9) and its terminal point at (-17,4). Which unit vector is in the same direction as v?

Option C

Explanation:

I got it correct in my test :)

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft

i believe that the answer is

b. y-1=-2(x-4)

hope this !