math definitions

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Across
  1. 3. enlarge and or reduce
  2. 4. amount per 1
  3. 6. different versions of the same thing
  4. 9. same size and same shape
  5. 10. straight line
  6. 11. y2 minus y1 over x2 minus x1
  7. 12. the same rate over and over
  8. 13. one x for every y
Down
  1. 1. goes up and down at the same rate, y/x
  2. 2. find out
  3. 5. affects figures and vertices
  4. 6. turn
  5. 7. mirror image or flip
  6. 8. slides