Across
- 1. (noun) the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
- 4. (adj) not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal.
- 6. (noun) numerical quantity that is not a whole number
- 8. (adj) (of figures) identical in form; coinciding exactly when superimposed.
- 9. (noun) a line that continually approaches a given curve but does not meet it at any finite distance.
- 11. (adj) points lying in the same straight line.
- 13. (noun) a curve where any point is at an equal distance from: a fixed point, and a fixed straight line.
- 14. (noun) an assumption used as a basis for mathematical reasoning.
- 15. (noun) a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant.
Down
- 2. (noun) a straight line from the center to the circumference of a circle or sphere.
- 3. (noun) an algebraic expression of the sum or the difference of two terms.
- 5. (noun) a plane figure with nine straight sides and nine angles.
- 7. (noun) the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
- 9. (noun) a fixed reference line for the measurement of coordinates.
- 10. (noun) a general proposition not self-evident but proved by a chain of reasoning; a truth established by means of accepted truths.
- 12. (noun) a quantity representing the power to which a fixed number (the base) must be raised to produce a given number.