Question

Find the magnitude of vector v, given(-4,3)

Answer 1

Find the magnitude of vector v, given (-4,3)

Answer 2

either square, add, sqrt; or recognise this as a much used 345 triangle

Answer 3

Let vector A be defined as
\[A=(x, y)\]
then its magnitude is given as
\[|A|=\sqrt{x^2+y^2}\]
here x=-4 y=3
Can you try now?