algebra terms

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Across
  1. 3. a whole number that divides another number evenly
  2. 5. phrase containing numbers and variables
  3. 6. straight line
  4. 8. the exact same variables raised to the same exponents,
  5. 10. algebraic expression
  6. 13. never changing
  7. 15. process where a value increases or decreases at a proportional rate
Down
  1. 1. a whole number that can be positive, negative, or zero
  2. 2. mathematical rule or relation that assigns each input value
  3. 4. single number ,variable all multiplied together
  4. 7. mathematical statement asserting that two expressions are equal
  5. 9. Cannot be written as a fraction of two integers.
  6. 11. equation (ax^2 + bx + c = 0)
  7. 12. Can be expressed as a ratio of integers.
  8. 14. line that inclines or declines