a-vector-aaa-starts-at-p1p1p1-and-ends-at-p2p2p2-express-the-vector-aaa-in-terms

Question

A vector ﻿aaa﻿ starts at ﻿P1P_1P1​﻿ and ends at ﻿P2P_2P2​﻿. Express the vector ﻿aaa﻿ in terms of ﻿iii﻿ and ﻿jjj﻿.﻿P1=(−21,−28)$$P_1=(-21$$,-28)P1​=(−21,−28)﻿, ﻿P2=(0,−8)$$P_2=(0$$,-8)P2​=(0,−8)﻿

Accepted Answer

﻿21i+20j21i+20j21i+20j﻿

Answer

﻿20i+21j20i+21j20i+21j﻿

Answer

﻿20i−21j20i-21j20i−21j﻿

Answer

﻿21i−20j21i - 20j21i−20j﻿

A vector aaa starts at P1P_1P1 and ends at P2P_2P2. Express the vector aaa in terms of iii and jjj.P1=(−21,−28)P_1=(-21,-28)P1=(−21,−28), P2=(0,−8)P_2=(0,-8)P2=(0,−8)

A vector $a$ starts at $P_1$ and ends at $P_2$ . Express the vector $a$ in terms of $i$ and $j$ .
$P_1=(-21,-28)$ , $P_2=(0,-8)$