Answer 2D Space Homework: Is the Max Unknowns 1?

[Tiven white]

Homework Statement

In two dimensional space the maximum number if unknown information is
A. 4
B. 2
C. 3
D. 1
E. O

Homework Equations

So I've eliminated c a and e and am more leaning g towards 1 is this correct

The Attempt at a Solution

 

[ShayanJ]

I think you should explain more about your question.Its not at all obvious to me what you're talking about!

 

[Tiven white]

I think you should explain more about your question.Its not at all obvious to me what you're talking about!

It is a ? Applied to vectors.and it is asking what is the maximum number of ulof unknown variables that can exist i n 2d two dimensional space