Math IB-SL Crossword (Vectors)

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Across
  1. 2. Vector AB is called the ____________ vector of B relative to A
  2. 5. This could be represented by OA or |a|
  3. 6. a+(-a)=(-a)+a=___
  4. 7. What lines are present when the scalar product of two vectors equals zero?
  5. 10. a1b1+a2b2 is called what?
  6. 11. Quantities that only have magnitude
  7. 12. If A is (-1,3,2) and B is (2,1,-4), find the distance between A and B
  8. 13. Quantities that have both magnitude and direction
  9. 16. a1b1+a2b2 is in what form?
  10. 17. Two vectors are __________ if they have the same magnitude and direction
  11. 18. When one vector is a scalar multiple of the other
  12. 19. Vectors AB+BC+CD+DE=____
  13. 20. To subtract one vector from another, add its _____________
Down
  1. 1. ((X1+X2)/2),(Y1+Y2+/2))
  2. 3. Any vector with a length of one unit
  3. 4. Lines which are neither parallel nor intersecting
  4. 5. If |ka|=|k||a| where k is parallel to a, |k| is the ___________ of k
  5. 8. X=a1+b1t and Y=a2+b2t are ____________ equations
  6. 9. If cosx is positive, the angle will be ___________
  7. 14. In the equation r=a+tb, what is t called?
  8. 15. If cosx is negative, the angle will be _________