Algebra Crossword Puzzle

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Across
  1. 3. a_{n}= a(r)_{n-1}
  2. 7. The average of a data set
  3. 8. A number seen multiple times in a data set
  4. 9. A expression of the sum or difference of 2 terms
  5. 10. A _____ is not a fraction, but a whole number
Down
  1. 1. y= mx + b
  2. 2. An expression of 3 terms
  3. 4. A number being multiplied by a variable
  4. 5. The difference between the highest and the lowest number in a dataset
  5. 6. 2 numbers that locate a certain point on a coordinate plane