Algebra Crossword

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Across
  1. 4. x
  2. 5. inverse of fraction
  3. 7. steepness of a line
  4. 8. value that does not change
  5. 10. factor it out
  6. 12. parentheses, exponents, multiply, divide, add, subtract
  7. 14. out of, ratio of, quotient of
  8. 16. minus, less than, difference of
  9. 18. times, of, product of
  10. 19. multiply
  11. 20. decreasing
Down
  1. 1. same variable and same power
  2. 2. y=mx+b
  3. 3. divide
  4. 6. increasing
  5. 9. first, outside, inside, last
  6. 11. input and output
  7. 13. plus, more than, sum
  8. 15. inverse of square root
  9. 17. y