Question

what is the length of the y - component of the vector plotted below?
a. 0
b. 2
c. 4
d. 3

Explanation:

Step1: Observe the vector on grid

Count the number of grid - squares the vector extends in the y - direction.

Step2: Determine the y - component length

By counting, the vector extends 3 grid - squares in the positive y - direction.

Answer:

D. 3