How Well Do You Know Sequences and Series?

123456789
Across
  1. 4. 2,4,6,8,...
  2. 6. a series whose sum tends to a specific number
  3. 8. list of numbers in order
  4. 9. symbol used to indicate summation
Down
  1. 1. 1,-1,1,-1,1,...
  2. 2. sequence written as a formula
  3. 3. a series that typically goes to infinity
  4. 5. sum of a part or the entire sequence
  5. 7. each number in a sequence
  6. 9. contracted form of series