Question

How do you write the component form of the vector PQ where P=(-10,5) and Q=(-9,-10)?

Answer 1

`bar(PQ) = hati -15hatj`

Explanation:

`bar(PQ) = (-9 - -10)hati + (-10 - 5)hatj`

`bar(PQ) = (1)hati + (-15)hatj`

`bar(PQ) = hati -15hatj`