Unit 2 Key words crossword

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Across
  1. 2. To come from a particular source
  2. 5. Numbers and letters together, with no equals sign
  3. 6. A relationship between two sets of numbers
  4. 8. To use one thing in place of another
  5. 10. A mathematical statement with an equals sign
  6. 11. Terms that follow each other in a sequence
  7. 14. The number you put into a function machine
  8. 15. The number that comes out of a function machine
Down
  1. 1. A list of numbers that follow a pattern or rule
  2. 3. continues forever
  3. 4. A mathematical rule that shows the relationship between two amounts
  4. 7. has an end
  5. 9. Each number in a sequence
  6. 12. The rule that takes you from one term to the next
  7. 13. A letter that stands for an unknown number