## www.galwaymathsgrinds.com Revision Crossword

##### Across
1. 4. In a right triangle, the ratio of the opposite side to the adjacent side.
2. 7. Statistical measure that shows how pairs of variables are related.
3. 10. Another name for the x coordinate.
4. 12. The likelihood of an event occurring.
5. 14. A region of a circle often called a pie slice.
6. 16. A set of data involving one variable.
7. 17. A sentence stating two expressions are equal.
8. 18. Distance around the outside.
9. 19. The average.
10. 21. An equation that contains more than one variable.
11. 25. The ratio of vertical change to horizontal change.
12. 26. Data involving two variables.
13. 28. A first degree equation.
14. 30. Polygon with 10 sides.
15. 31. An angle whose measure is less than 90 degrees.
16. 32. To use given data to estimate a value between known values.
17. 36. Data that occurs most frequently in a data set.
18. 37. A solution to an equation f(x)=0.
19. 38. A quadrilateral with exactly one pair of parallel sides.
20. 39. A relation where each x value has only one y value.
21. 40. Another name for the x coordinate.
22. 42. Polygon with 9 sides.
##### Down
1. 1. Set of points equidistant from a given point.
2. 2. The mathematical symbol designated by an exclamation mark.
3. 3. Coplanar lines that do not intersect.
4. 5. A type of notation used to express very large or very small numbers.
5. 6. A polynomial with exactly three terms.
6. 7. The elements of a universe not contained in a given set.
7. 8. Polygon with 5 sides.
8. 9. Set of numbers {...-3,-2,-1,0,1,2,3,...}
9. 10. Polygon with 8 sides.
10. 11. The longest side in a right triangle.
11. 13. type of equation in which the highest index is 2.
12. 15. half a diameter
13. 20. A unit for measuring fluid volume.
14. 21. The middle of an arranged data set.
15. 22. A type of diagram showing relationships among sets.
16. 23. To use given data to estimate a value beyond the known values.
17. 24. In a right triangle, the ratio of adjacent side to hypotenuse.
18. 27. A quantity whose value changes.
19. 29. A probability based the assumption that some event that has already occurred.
20. 33. Polygon that is both equilateral and equiangular.
21. 34. chord through centre of circle
22. 35. Polygon with six sides.
23. 41. A number or expression that is raised to a power.