AIH 3.10

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Across
  1. 3. Something with size but not direction.
  2. 7. A --- vector has an undefined direction.
  3. 9. The length of the directed line segment (to represent a vector).
  4. 10. A vector starting from origin.
  5. 11. A --- vector has a magnitude of one.
Down
  1. 1. The sum of two or more vectors.
  2. 2. A --- vector is a vector of magnitude one and direction parallel to an axis.
  3. 4. Two directed line segments (so vectors) are --- if they have the same direction and magnitude.
  4. 5. The ---s of a vector are its parts in directions parallel to each axes.
  5. 6. Something with both a magnitude and a direction.
  6. 8. --- vectors have the same magnitude but do not point in the same direction.