Question

Given vector v = [5,-1]

An equivalent vector PQ has its initial point at P(-2,-7). Find point Q.

Answer 1

add 5 to the x coordinate of P to get the x coordinate of Q

add -1 to the y coordinate of P to get the y coordinate of Q

Answer 2

why is that?

Answer 3

because PQ is an equivalent vector

Answer 4

and v = [5, -1] means go 5 units to the right, then 1 unit down