Answer:
[tex]u\cdot v=32[/tex]
Step-by-step explanation:
Assuming [tex]u[/tex] and [tex]v[/tex] are vectors, their dot product is [tex]u\cdot v[/tex] where [tex]u_1v_1 + u_2v_2[/tex]:
[tex]u\cdot v=u_1v_1+u_2v_2=(2)(8)+(-8)(-2)=16+16=32[/tex]
Therefore, [tex]u\cdot v=32[/tex]
