Question

What is the projection of (2,6) onto (-1,5)?
A. 1.08(-1,5)
B. 0.70(2,6)
C. 1.08(2,6)
D. 0.70(-1,5)

Answer 1

are these vectors?

Answer 2

for 2 vectors u,v ....u projected on v
\[\rightarrow \frac{u*v}{||v||^{2}} v\]

Answer 3

yes?

Answer 4

do you know to find dot product and magnitude of vectors ?

Answer 5

http://en.wikipedia.org/wiki/Vector_projection#Vector_projection_2

Answer 6

http://en.wikipedia.org/wiki/Dot_product#Definition