Reading the vocabulary back

Exercise and reference answers

Questions

1. Question

   A vector of magnitude 1 is called

   Choices

   1. a unit vector
   2. a zero vector
   3. a position vector

   Correct choice

   a unit vector

2. Question

   Vectors sharing an initial point are called

   Choices

   1. collinear
   2. coinitial
   3. equal

   Correct choice

   coinitial

3. Question

   Vectors parallel to the same line are called

   Choices

   1. coinitial
   2. equal
   3. collinear

   Correct choice

   collinear

4. Question

   The negative of a vector has

   Choices

   1. the same magnitude, opposite direction
   2. opposite magnitude, same direction
   3. magnitude zero

   Correct choice

   the same magnitude, opposite direction

Explanation