Question

Given that P = (2, 9) and Q = (4, 14), find the component form and magnitude of vector PQ.

A) <2,5>, sqrt of 29
B) <-2,-5>, 29
C) <2,5>, 29
D) <-2,-5>, sqrt of 29

Help please!

Answer 1

P=2i+9j
Q=4i+14j
PQ=(4-2)i+(14-9)j=2i+5j
\[\left| PQ \right|=\sqrt{2^2+5^2}=?\]