12345-1-2-3-4-512345-1-2-3-4-5uv[Graphs generated by this script: initPicture(-5,5,-5,5);axes(1,1,1,1,1);marker='arrow';line([0,0],[-4,3]);text([-4,3],'u','below');line([0,0],[-4,1]);text([-4,1],'v','below');]

Compute the dot product of the two vectors shown.

uv=\displaystyle \vec{{u}}\cdot\vec{{v}}=