Mathematics RBA

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Across
  1. 2. A number that cannot be expressed as a fraction.
  2. 4. A quantity with a magnitude and a direction.
  3. 5. A line that intersects with one point of a curve which is the slope of that particular point.
  4. 8. A 3-D body composed of straight faces that border each other on edges and obey Euler's identity.
  5. 9. An expression that uses more than 2 terms with the elementary operations (BODMAS)
  6. 10. A theorem that follows logically from another theorem.
  7. 12. A theorem which shows the equality of two expressions.
  8. 13. Repeated multiplication to a power.
  9. 15. Two angles that together make a right angle.
  10. 16. A pictorial depiction of data, an equation or an inequality.
  11. 18. Two expressions that are compared to each other and are not equal.
  12. 19. A type of equation that uses variables of second-degree or lower.
  13. 20. A number with no factors other than 1 and itself.
Down
  1. 1. Two circles which share the same centre.
  2. 3. The study of circles and triangles and their relations with angles.
  3. 6. Three or more points on the same line.
  4. 7. A validation of a conjecture.
  5. 11. A fundamental assumption and the basis of mathematical systems.
  6. 14. The study of counting and combinations.
  7. 17. The operator for summation.