Math

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Across
  1. 1. what is m in y = mx+b
  2. 5. what is f(x) or g(x)
  3. 6. n + n-1 + n-2...
  4. 9. repeated multiplication of same number
  5. 10. what symbol is used for summation
  6. 11. repeated addition of same number
  7. 13. answer of addition
Down
  1. 2. used to find hypotenuse
  2. 3. x,y,z,any placeholder
  3. 4. what is (x,y) called
  4. 6. x!
  5. 7. numbers with factors
  6. 8. numbers with no factors
  7. 12. what is i