Algebra Vocabulary

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Across
  1. 5. a letter used to represent a number ex: x, y, a, b
  2. 6. numbers greater than zero
  3. 8. you use this to help find answers
  4. 10. ( )
  5. 12. 8-6
  6. 13. 3x+7
Down
  1. 1. a number less than zero
  2. 2. you use this to write in math
  3. 3. 10 5
  4. 4. there are _____ terms in the expression 3x+4y-9x+2
  5. 7. 5+9
  6. 9. 3x+7
  7. 11. 3 4
  8. 13. =