Math Puzzle

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Across
  1. 4. a technology of visualizing information,using geometry
  2. 5. traces of continuous moving dots
  3. 9. In fractions or fractions, the number or expression on the horizontal line.
  4. 12. a straight line on both sides
  5. 13. An expression that combines two or more terms into '+' and '-'
  6. 15. the number 13
  7. 17. a sequence of repeating objects, shapes or numbers
  8. 19. very fast; increasingly rapid
  9. 20. the direction,and how someone or something does something
Down
  1. 1. a process or result of calculating something
  2. 2. The result obtained by dividing the integer a by the integer ab other than zero is expressed as a/b
  3. 3. a branch of mathematics that deals with points, lines, angles, surfaces, and solids
  4. 6. Expression that becomes true or false according to the value of the variable
  5. 7. representing a number or polynomial as multiplication of factors
  6. 8. a fact or a rule written with mathematical symbols
  7. 10. a plane figure with four equal sides and four right (90°) angles
  8. 11. Organize numbers into rectangular shapes, which is known as matrix
  9. 14. the way in which constituent parts are interrelated or arranged
  10. 16. A letter or number that is written in the upper right corner of a number or character to indicate the number of times it has been multiplied.
  11. 18. the relationship that exists between the size