Concepts in vectors

What is the initial point of the vector  $\overrightarrow{AB}$  ?

•  $A+B$  

•  $A-B$  

•  $A$  

•  $B$  

Which vector is equivalent to the vector from E to D?

• y

• -y

• x

• -x

If vector A has an y component of 12 units and a x component of 7 units, which would allow you to solve for the MAGNITUDE of vector A?

• $\sqrt{12^2-7^2}$

• $\sqrt{12^2+7^2}$
  

• $\tan^{-1}\left(\frac{12}{7}\right)$
  

• $\tan^{-1}\left(\frac{7}{12}\right)$
  

Which axis is horizontal?

• v-axis

• w-axis

• x-axis

• y-axis

What direction is the angle?

• east of north
• south of east
• north of east
• west of east

• 3
• 2
• 1
• 4

What is d as a column vector?

• 0
  -1

• 0
  1

• 1
  0

• -1
  0

Which vector is equivalent to the vector from B to D?

• a

• -a

• b

• -b

Which pair of vectors are equal?

• $v=a$

• $b=w$

• $u=c$

• $v=u$

The vector  $\overrightarrow{OM}$  is a position vector.

• TRUE

• FALSE