systems

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Across
  1. 2. a set of numbers that contain operations and can contain a variable
  2. 4. any mathematical statement which consists of numbers, variables and an arithmetic operation between them
  3. 6. replacing the variable in a equation
  4. 9. system leaving one variable to be solved
  5. 10. pictorial representation of data
Down
  1. 1. a letter or term that represents a number
  2. 3. to measure its steepness
  3. 5. the act of process to solving an equation
  4. 7. a number signifying the result of a calculation or function
  5. 8. used to tell where an exact number is on a graph