SOLUTION: What value of a makes u and v orthogonal, if u= <a,-2> and v= <a,8> ? a. -8 b. 2 c. 4 d. 8 e. 16 (please help, thank you)

Algebra ->  Trigonometry-basics -> SOLUTION: What value of a makes u and v orthogonal, if u= <a,-2> and v= <a,8> ? a. -8 b. 2 c. 4 d. 8 e. 16 (please help, thank you)      Log On


   

Question 968288: What value of a makes u and v orthogonal, if u= and v= ?
a. -8
b. 2
c. 4
d. 8
e. 16

(please help, thank you)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You didn't provide u and v.
Please repost.