Question

If vector u has its initial point at (-17, 4) and its terminal point at (8,-11), u= ? i + ? J. If v=14j, 2(u-v)= ? i + ? J

Answer 1

Answer:

u=25i-15j

2(u-v)=50i-58j

Step-by-step explanation:

Vector u has its initial point at (-17, 4) and its terminal point at (8,-11).

This implies that;

$u=\binom{8}{-11}-\binom{-17}{4}=\binom{25}{-15}$

u=25i-15j

If v=14j

Then

2(u-v)=2(25i-15j -14j)

2(u-v)=2(25i-29j)

2(u-v)=50i-58j