Homework Help

Consider the vector v between (-4,-4,-4) and (6,7,1). What vector has the same length...

user profile pic

mrbest55 | Student | Salutatorian

Posted January 15, 2013 at 10:53 PM via web

dislike 0 like

Consider the vector v between (-4,-4,-4) and (6,7,1).

What vector has the same length as vector v, but points in the opposite direction?

 

1 Answer | Add Yours

user profile pic

mlehuzzah | Student, Graduate | (Level 1) Associate Educator

Posted January 15, 2013 at 11:05 PM (Answer #1)

dislike 1 like

The vector being described here is <10,11,5>

6-(-4)=10, 7-(-4)=11, 1-(-4)=5

To find the vector that is the same length but in the opposite direction, you take the opposite (negative) of each entry.  So here, the vector you want is:

<-10,-11,-5>

Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes