Mathematics

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Across
  1. 4. can be expressed by p/q where q is not equal to 0
  2. 5. the method of expressing large numbers in terms of powers
  3. 8. also called the x axis
  4. 10. algebraic expressions that consist of variables and coefficients
Down
  1. 1. an alphabet or term that represents an unknown number, value or quantity
  2. 2. a straight line touching circles at only one point
  3. 3. b square - 4ac
  4. 6. also called the y axis
  5. 7. cannot be expressed by the ratio of two integers
  6. 9. a part of the circle made of arc of the circle along with its two radii