algebra prebreak

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Across
  1. 4. a quantity that can change
  2. 5. a number multiplied by a variable
  3. 6. the difference between consecutive terms of an arithmetic sequence
  4. 8. shows that two expressions are equivalents
  5. 10. dealing with the properties and manipulation of numbers
  6. 11. each number in a sequence
  7. 12. to stop or seize something while it's on its way
Down
  1. 1. contains operations, numbers, and/or variables
  2. 2. the stepness of a line on a graph
  3. 3. value the distance a number is from zero on a number line (always positive)
  4. 7. stays the same
  5. 9. a distance that contains at least one variable