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anonymous
 one year ago
let v=(2, 8) and w=(1, 4) which of the following is true?
A) The xcomponent of v is 2
B) v and w are perpendicular
C) v*w=34
D)v=2w
(Check all that apply)
anonymous
 one year ago
let v=(2, 8) and w=(1, 4) which of the following is true? A) The xcomponent of v is 2 B) v and w are perpendicular C) v*w=34 D)v=2w (Check all that apply)

This Question is Closed

jhonyy9
 one year ago
Best ResponseYou've already chosen the best response.1than you know that the coordinats of a point p you write in form of p=(x,y)  so you see that for point v these coordnates are x= ? and y= ? than how you think what is true ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@graciecohen what is the dot product of those two vectors?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I have no idea of the answers and this is all they gave me

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0are you familiar with what a dot product is?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the dot product is 34 I think

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so assuming v*w means the dot product of v and w then you know that choice c is correct

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0looking at what @jhonyy9 wrote , can you tell if A is true or false?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yep, so you know a and c are both true, lets look at b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0if two vectors are perpendicular what does their dot product equal?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0google it if you arent sure

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0orthogonal is perpendicular by the way

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@graciecohen what do you think?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so its not perpendicular

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so we have a = true, b = false, c = true, what about d?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what is 2w equal to?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0a = true b = false c = true d = true
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