Algebra 1 terms

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Across
  1. 4. has more than 1 variable
  2. 7. the opposite of +x
  3. 8. oppisite of a negative
  4. 9. opposite of a positive
  5. 11. the number with out the letter
  6. 15. a branch of math that studies algebraic structures
  7. 16. sections on a graph
Down
  1. 1. a numbers distance from zero on a line
  2. 2. the letter next to a number
  3. 3. the number next to x
  4. 5. how many times a numbe rmultiplies by itself
  5. 6. a fractional number like 0.5
  6. 10. use the punnet square method
  7. 12. removing one number from another
  8. 13. combining 2 numbers
  9. 14. a number raised to a power