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